804879936 has 112 divisors (see below), whose sum is σ = 2704266880. Its totient is φ = 229962240.

The previous prime is 804879931. The next prime is 804879961. The reversal of 804879936 is 639978408.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×804879936² = 1295663422750728192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (804879931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21175 + ... + 45366.

It is an arithmetic number, because the mean of its divisors is an integer number (24145240).

Almost surely, 2^804879936 is an apocalyptic number.

It is an amenable number.

804879936 is an abundant number, since it is smaller than the sum of its proper divisors (1899386944).

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

804879936 is a wasteful number, since it uses less digits than its factorization.

804879936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66569 (or 66553 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 804879936 is about 28370.4059893404. The cubic root of 804879936 is about 930.2014964025.

It can be divided in two parts, 804879 and 936, that added together give a triangular number (805815 = T₁₂₆₉).

The spelling of 804879936 in words is "eight hundred four million, eight hundred seventy-nine thousand, nine hundred thirty-six".