2556364 has 6 divisors (see below), whose sum is σ = 4473644. Its totient is φ = 1278180.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556364 is 4636552.

2556364 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319542 + ... + 319549.

2^2556364 is an apocalyptic number.

It is an amenable number.

2556364 is a deficient number, since it is larger than the sum of its proper divisors (1917280).

2556364 is a wasteful number, since it uses less digits than its factorization.

2556364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639095 (or 639093 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 2556364 is about 1598.8633462557. The cubic root of 2556364 is about 136.7332797086.

The spelling of 2556364 in words is "two million, five hundred fifty-six thousand, three hundred sixty-four".