804819556 has 12 divisors (see below), whose sum is σ = 1482562480. Its totient is φ = 381230280.

The previous prime is 804819553. The next prime is 804819557. The reversal of 804819556 is 655918408.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (804819553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294790 + ... + 5294941.

Almost surely, 2^804819556 is an apocalyptic number.

It is an amenable number.

804819556 is a deficient number, since it is larger than the sum of its proper divisors (677742924).

804819556 is a wasteful number, since it uses less digits than its factorization.

804819556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589754 (or 10589752 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 804819556 is about 28369.3418323372. The cubic root of 804819556 is about 930.1782353883.

The spelling of 804819556 in words is "eight hundred four million, eight hundred nineteen thousand, five hundred fifty-six".