3600000 has 144 divisors (see below), whose sum is σ = 12948390. Its totient is φ = 960000.

The previous prime is 3599969. The next prime is 3600001. The reversal of 3600000 is 63.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3600000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 3594816 = 72^2 + 1896^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (3600001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 719998 + ... + 720002.

Almost surely, 2^3600000 is an apocalyptic number.

3600000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6474195).

3600000 is an abundant number, since it is smaller than the sum of its proper divisors (9348390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3600000 is an frugal number, since it uses more digits than its factorization.

3600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 3600000 is about 1897.3665961010. The cubic root of 3600000 is about 153.2618864787.

Adding to 3600000 its reverse (63), we get a palindrome (3600063).

The spelling of 3600000 in words is "three million, six hundred thousand".