2556344 has 32 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 1085280.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556344 is 4436552.

It is a congruent 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, 10577 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

2^2556344 is an apocalyptic number.

It is an amenable number.

2556344 is an abundant number, since it is smaller than the sum of its proper divisors (2973256).

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

2556344 is a wasteful number, since it uses less digits than its factorization.

2556344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 439 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 2556344 is about 1598.8570918003. The cubic root of 2556344 is about 136.7329231250.

The spelling of 2556344 in words is "two million, five hundred fifty-six thousand, three hundred forty-four".