3115940 has 12 divisors (see below), whose sum is σ = 6543516. Its totient is φ = 1246368.

The previous prime is 3115933. The next prime is 3115991. The reversal of 3115940 is 495113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 996004 = 1456^2 + 998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77879 + ... + 77918.

It is an arithmetic number, because the mean of its divisors is an integer number (545293).

Almost surely, 2^3115940 is an apocalyptic number.

It is an amenable number.

3115940 is an abundant number, since it is smaller than the sum of its proper divisors (3427576).

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

3115940 is a wasteful number, since it uses less digits than its factorization.

3115940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155806 (or 155804 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 3115940 is about 1765.2025379542. The cubic root of 3115940 is about 146.0594616119.

The spelling of 3115940 in words is "three million, one hundred fifteen thousand, nine hundred forty".