390330632 has 16 divisors (see below), whose sum is σ = 732123600. Its totient is φ = 195097680.

The previous prime is 390330583. The next prime is 390330679. The reversal of 390330632 is 236033093.

It is a junction number, because it is equal to n+sod(n) for n = 390330595 and 390330604.

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, 22919 + ... + 36137.

It is an arithmetic number, because the mean of its divisors is an integer number (45757725).

Almost surely, 2^390330632 is an apocalyptic number.

It is an amenable number.

390330632 is a deficient number, since it is larger than the sum of its proper divisors (341792968).

390330632 is a wasteful number, since it uses less digits than its factorization.

390330632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916 (or 16912 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 29.

The square root of 390330632 is about 19756.7869857424. The cubic root of 390330632 is about 730.8207644612.

The spelling of 390330632 in words is "three hundred ninety million, three hundred thirty thousand, six hundred thirty-two".