2564808 has 16 divisors (see below), whose sum is σ = 6412080. Its totient is φ = 854928.

The previous prime is 2564759. The next prime is 2564813. The reversal of 2564808 is 8084652.

It is a hoax number, since the sum of its digits (33) 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, 53410 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (400755).

2^2564808 is an apocalyptic number.

It is an amenable number.

2564808 is an abundant number, since it is smaller than the sum of its proper divisors (3847272).

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

2564808 is a wasteful number, since it uses less digits than its factorization.

2564808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106876 (or 106872 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2564808 is about 1601.5017951910. The cubic root of 2564808 is about 136.8836634703.

The spelling of 2564808 in words is "two million, five hundred sixty-four thousand, eight hundred eight".