2556884 has 12 divisors (see below), whose sum is σ = 4881408. Its totient is φ = 1162200.

The previous prime is 2556877. The next prime is 2556907. The reversal of 2556884 is 4886552.

It is a plaindrome in base 15.

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, 29012 + ... + 29099.

It is an arithmetic number, because the mean of its divisors is an integer number (406784).

2^2556884 is an apocalyptic number.

It is an amenable number.

2556884 is a deficient number, since it is larger than the sum of its proper divisors (2324524).

2556884 is a wasteful number, since it uses less digits than its factorization.

2556884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58126 (or 58124 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 2556884 is about 1599.0259535104. The cubic root of 2556884 is about 136.7425502305.

It can be divided in two parts, 25568 and 84, that added together give a palindrome (25652).

The spelling of 2556884 in words is "two million, five hundred fifty-six thousand, eight hundred eighty-four".