394579464 has 16 divisors (see below), whose sum is σ = 986448720. Its totient is φ = 131526480.

The previous prime is 394579411. The next prime is 394579489. The reversal of 394579464 is 464975493.

It is a happy number.

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, 8220382 + ... + 8220429.

It is an arithmetic number, because the mean of its divisors is an integer number (61653045).

Almost surely, 2^394579464 is an apocalyptic number.

It is an amenable number.

394579464 is an abundant number, since it is smaller than the sum of its proper divisors (591869256).

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

394579464 is a wasteful number, since it uses less digits than its factorization.

394579464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440820 (or 16440816 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 394579464 is about 19864.0243656717. The cubic root of 394579464 is about 733.4629139244.

The spelling of 394579464 in words is "three hundred ninety-four million, five hundred seventy-nine thousand, four hundred sixty-four".