804338856 has 128 divisors (see below), whose sum is σ = 2415888000. Its totient is φ = 247090176.

The previous prime is 804338849. The next prime is 804338869. The reversal of 804338856 is 658833408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149200 + ... + 154496.

It is an arithmetic number, because the mean of its divisors is an integer number (18874125).

Almost surely, 2^804338856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804338856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207944000).

804338856 is an abundant number, since it is smaller than the sum of its proper divisors (1611549144).

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

804338856 is a wasteful number, since it uses less digits than its factorization.

804338856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368 (or 5358 counting only the distinct ones).

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

The square root of 804338856 is about 28360.8683929107. The cubic root of 804338856 is about 929.9930072315.

The spelling of 804338856 in words is "eight hundred four million, three hundred thirty-eight thousand, eight hundred fifty-six".