391679304 has 16 divisors (see below), whose sum is σ = 979198320. Its totient is φ = 130559760.

The previous prime is 391679297. The next prime is 391679311. The reversal of 391679304 is 403976193.

It is an interprime number because it is at equal distance from previous prime (391679297) and next prime (391679311).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8159962 + ... + 8160009.

It is an arithmetic number, because the mean of its divisors is an integer number (61199895).

Almost surely, 2^391679304 is an apocalyptic number.

It is an amenable number.

391679304 is an abundant number, since it is smaller than the sum of its proper divisors (587519016).

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

391679304 is a wasteful number, since it uses less digits than its factorization.

391679304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16319980 (or 16319976 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 391679304 is about 19790.8894191241. The cubic root of 391679304 is about 731.6615085232.

The spelling of 391679304 in words is "three hundred ninety-one million, six hundred seventy-nine thousand, three hundred four".