804682656 has 72 divisors (see below), whose sum is σ = 2291575104. Its totient is φ = 267845760.

The previous prime is 804682639. The next prime is 804682667. The reversal of 804682656 is 656286408.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260835 + ... + 263901.

It is an arithmetic number, because the mean of its divisors is an integer number (31827432).

Almost surely, 2^804682656 is an apocalyptic number.

It is an amenable number.

804682656 is an abundant number, since it is smaller than the sum of its proper divisors (1486892448).

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

804682656 is a wasteful number, since it uses less digits than its factorization.

804682656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 804682656 is about 28366.9289137897. The cubic root of 804682656 is about 930.1254912171.

The spelling of 804682656 in words is "eight hundred four million, six hundred eighty-two thousand, six hundred fifty-six".