2560904 has 8 divisors (see below), whose sum is σ = 4801710. Its totient is φ = 1280448.

The previous prime is 2560891. The next prime is 2560927. The reversal of 2560904 is 4090652.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 158404 = 1550^2 + 398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160049 + ... + 160064.

2^2560904 is an apocalyptic number.

It is an amenable number.

2560904 is a deficient number, since it is larger than the sum of its proper divisors (2240806).

2560904 is a wasteful number, since it uses less digits than its factorization.

2560904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320119 (or 320115 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2560904 is about 1600.2824750649. The cubic root of 2560904 is about 136.8141761126.

The spelling of 2560904 in words is "two million, five hundred sixty thousand, nine hundred four".