3115560 has 64 divisors (see below), whose sum is σ = 10684800. Its totient is φ = 711936.

The previous prime is 3115559. The next prime is 3115561. The reversal of 3115560 is 655113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3115559) and next prime (3115561).

It is a super-2 number, since 2×3115560² = 19413428227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3115561) 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, 1015 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (166950).

Almost surely, 2^3115560 is an apocalyptic number.

3115560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3115560 is an abundant number, since it is smaller than the sum of its proper divisors (7569240).

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

3115560 is a wasteful number, since it uses less digits than its factorization.

3115560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 3115560 is about 1765.0948982987. The cubic root of 3115560 is about 146.0535238797.

The spelling of 3115560 in words is "three million, one hundred fifteen thousand, five hundred sixty".