390293008 has 20 divisors (see below), whose sum is σ = 864220480. Its totient is φ = 167268384.

The previous prime is 390292999. The next prime is 390293009. The reversal of 390293008 is 800392093.

It is not an unprimeable number, because it can be changed into a prime (390293009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742268 + ... + 1742491.

It is an arithmetic number, because the mean of its divisors is an integer number (43211024).

Almost surely, 2^390293008 is an apocalyptic number.

It is an amenable number.

390293008 is an abundant number, since it is smaller than the sum of its proper divisors (473927472).

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

390293008 is a wasteful number, since it uses less digits than its factorization.

390293008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484774 (or 3484768 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 390293008 is about 19755.8347836785. The cubic root of 390293008 is about 730.7972824166.

The spelling of 390293008 in words is "three hundred ninety million, two hundred ninety-three thousand, eight".