2656804 has 12 divisors (see below), whose sum is σ = 4667824. Its totient is φ = 1323144.

The previous prime is 2656783. The next prime is 2656807. The reversal of 2656804 is 4086562.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2656807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 2305.

2^2656804 is an apocalyptic number.

It is an amenable number.

2656804 is a deficient number, since it is larger than the sum of its proper divisors (2011020).

2656804 is a wasteful number, since it uses less digits than its factorization.

2656804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2656804 is about 1629.9705518812. The cubic root of 2656804 is about 138.5010838929.

The spelling of 2656804 in words is "two million, six hundred fifty-six thousand, eight hundred four".