390433996 has 6 divisors (see below), whose sum is σ = 683259500. Its totient is φ = 195216996.

The previous prime is 390433961. The next prime is 390434069. The reversal of 390433996 is 699334093.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48804246 + ... + 48804253.

Almost surely, 2^390433996 is an apocalyptic number.

It is an amenable number.

390433996 is a deficient number, since it is larger than the sum of its proper divisors (292825504).

390433996 is a wasteful number, since it uses less digits than its factorization.

390433996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97608503 (or 97608501 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 46.

The square root of 390433996 is about 19759.4027237667. The cubic root of 390433996 is about 730.8852686570.

The spelling of 390433996 in words is "three hundred ninety million, four hundred thirty-three thousand, nine hundred ninety-six".