3013440 has 112 divisors (see below), whose sum is σ = 9924288. Its totient is φ = 774144.

The previous prime is 3013433. The next prime is 3013447. The reversal of 3013440 is 443103.

3013440 = T₄₈ + T₄₉ + ... + T₂₆₂.

It is an interprime number because it is at equal distance from previous prime (3013433) and next prime (3013447).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41244 + ... + 41316.

Almost surely, 2^3013440 is an apocalyptic number.

3013440 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 3013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4962144).

3013440 is an abundant number, since it is smaller than the sum of its proper divisors (6910848).

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

3013440 is a wasteful number, since it uses less digits than its factorization.

3013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3013440 is about 1735.9262657152. The cubic root of 3013440 is about 144.4400121366.

Adding to 3013440 its reverse (443103), we get a palindrome (3456543).

It can be divided in two parts, 301 and 3440, that added together give a triangular number (3741 = T₈₆).

The spelling of 3013440 in words is "three million, thirteen thousand, four hundred forty".