6613488 has 110 divisors (see below), whose sum is σ = 21966104. Its totient is φ = 1889568.

The previous prime is 6613483. The next prime is 6613507. The reversal of 6613488 is 8843166.

It is a happy number.

6613488 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6613488² = 87476447052288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (27648) is a multiple of the sum of its prime divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6613483) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 944781 + ... + 944787.

Almost surely, 2^6613488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6613488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10983052).

6613488 is an abundant number, since it is smaller than the sum of its proper divisors (15352616).

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

6613488 is an frugal number, since it uses more digits than its factorization.

6613488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 12 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6613488 is about 2571.6702743548. The cubic root of 6613488 is about 187.7054388239.

The spelling of 6613488 in words is "six million, six hundred thirteen thousand, four hundred eighty-eight".