809794464 has 24 divisors (see below), whose sum is σ = 2125710720. Its totient is φ = 269931456.

The previous prime is 809794441. The next prime is 809794483. The reversal of 809794464 is 464497908.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217584 + ... + 4217775.

It is an arithmetic number, because the mean of its divisors is an integer number (88571280).

Almost surely, 2^809794464 is an apocalyptic number.

It is an amenable number.

809794464 is an abundant number, since it is smaller than the sum of its proper divisors (1315916256).

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

809794464 is a wasteful number, since it uses less digits than its factorization.

809794464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435372 (or 8435364 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 809794464 is about 28456.8878129707. The cubic root of 809794464 is about 932.0908996668.

The spelling of 809794464 in words is "eight hundred nine million, seven hundred ninety-four thousand, four hundred sixty-four".