2500856 has 16 divisors (see below), whose sum is σ = 4936200. Its totient is φ = 1184544.

The previous prime is 2500847. The next prime is 2500879. The reversal of 2500856 is 6580052.

It is a congruent number.

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, 8075 + ... + 8378.

2^2500856 is an apocalyptic number.

It is an amenable number.

2500856 is a deficient number, since it is larger than the sum of its proper divisors (2435344).

2500856 is a wasteful number, since it uses less digits than its factorization.

2500856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16478 (or 16474 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2500856 is about 1581.4094978847. The cubic root of 2500856 is about 135.7363693387.

The spelling of 2500856 in words is "two million, five hundred thousand, eight hundred fifty-six".