393464004 has 24 divisors (see below), whose sum is σ = 918728160. Its totient is φ = 131062464.

The previous prime is 393463991. The next prime is 393464009. The reversal of 393464004 is 400464393.

It is not an unprimeable number, because it can be changed into a prime (393464009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7512 + ... + 29040.

It is an arithmetic number, because the mean of its divisors is an integer number (38280340).

Almost surely, 2^393464004 is an apocalyptic number.

It is an amenable number.

393464004 is an abundant number, since it is smaller than the sum of its proper divisors (525264156).

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

393464004 is a wasteful number, since it uses less digits than its factorization.

393464004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23059 (or 23057 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 393464004 is about 19835.9271021044. The cubic root of 393464004 is about 732.7711050602.

The spelling of 393464004 in words is "three hundred ninety-three million, four hundred sixty-four thousand, four".