390738968 has 16 divisors (see below), whose sum is σ = 734433000. Its totient is φ = 194890176.

The previous prime is 390738961. The next prime is 390738991. The reversal of 390738968 is 869837093.

It is a super-2 number, since 2×390738968² = 305353882227410048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390738961) 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, 56438 + ... + 62981.

Almost surely, 2^390738968 is an apocalyptic number.

It is an amenable number.

390738968 is a deficient number, since it is larger than the sum of its proper divisors (343694032).

390738968 is a wasteful number, since it uses less digits than its factorization.

390738968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119834 (or 119830 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 390738968 is about 19767.1183534677. The cubic root of 390738968 is about 731.0755197905.

It can be divided in two parts, 3907 and 38968, that added together give a cube (42875 = 35³).

The spelling of 390738968 in words is "three hundred ninety million, seven hundred thirty-eight thousand, nine hundred sixty-eight".