2556748 has 12 divisors (see below), whose sum is σ = 4485712. Its totient is φ = 1275120.

The previous prime is 2556739. The next prime is 2556761. The reversal of 2556748 is 8476552.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 2161 + ... + 3127.

2^2556748 is an apocalyptic number.

It is an amenable number.

2556748 is a deficient number, since it is larger than the sum of its proper divisors (1928964).

2556748 is a wasteful number, since it uses less digits than its factorization.

2556748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1630 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 2556748 is about 1598.9834270561. The cubic root of 2556748 is about 136.7401257538.

The spelling of 2556748 in words is "two million, five hundred fifty-six thousand, seven hundred forty-eight".