804904992 has 96 divisors (see below), whose sum is σ = 2353095360. Its totient is φ = 267678720.

The previous prime is 804904981. The next prime is 804905027. The reversal of 804904992 is 299409408.

804904992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×804904992² = 1295744092293040128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511567 + ... + 513137.

It is an arithmetic number, because the mean of its divisors is an integer number (24511410).

Almost surely, 2^804904992 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 804904992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176547680).

804904992 is an abundant number, since it is smaller than the sum of its proper divisors (1548190368).

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

804904992 is a wasteful number, since it uses less digits than its factorization.

804904992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 804904992 is about 28370.8475728167. The cubic root of 804904992 is about 930.2111487270.

The spelling of 804904992 in words is "eight hundred four million, nine hundred four thousand, nine hundred ninety-two".