390679552 has 22 divisors (see below), whose sum is σ = 780979628. Its totient is φ = 195339264.

The previous prime is 390679547. The next prime is 390679579. The reversal of 390679552 is 255976093.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189738 + ... + 191785.

It is an arithmetic number, because the mean of its divisors is an integer number (35499074).

Almost surely, 2^390679552 is an apocalyptic number.

390679552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390679552 is a deficient number, since it is larger than the sum of its proper divisors (390300076).

390679552 is an equidigital number, since it uses as much as digits as its factorization.

390679552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381543 (or 381525 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 390679552 is about 19765.6153964404. The cubic root of 390679552 is about 731.0384619859.

The spelling of 390679552 in words is "three hundred ninety million, six hundred seventy-nine thousand, five hundred fifty-two".