2915864 has 16 divisors (see below), whose sum is σ = 6248400. Its totient is φ = 1249632.

The previous prime is 2915849. The next prime is 2915893. The reversal of 2915864 is 4685192.

2915864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25979 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (390525).

2^2915864 is an apocalyptic number.

It is an amenable number.

2915864 is an abundant number, since it is smaller than the sum of its proper divisors (3332536).

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

2915864 is a wasteful number, since it uses less digits than its factorization.

2915864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52082 (or 52078 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 2915864 is about 1707.5901147524. The cubic root of 2915864 is about 142.8638735876.

The spelling of 2915864 in words is "two million, nine hundred fifteen thousand, eight hundred sixty-four".