2556204 has 24 divisors (see below), whose sum is σ = 6816768. Its totient is φ = 730320.

The previous prime is 2556193. The next prime is 2556217. The reversal of 2556204 is 4026552.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15132 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (284032).

2^2556204 is an apocalyptic number.

It is an amenable number.

2556204 is an abundant number, since it is smaller than the sum of its proper divisors (4260564).

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

2556204 is a wasteful number, since it uses less digits than its factorization.

2556204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30445 (or 30443 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2556204 is about 1598.8133099271. The cubic root of 2556204 is about 136.7304269874.

The spelling of 2556204 in words is "two million, five hundred fifty-six thousand, two hundred four".