390266956 has 6 divisors (see below), whose sum is σ = 682967180. Its totient is φ = 195133476.

The previous prime is 390266953. The next prime is 390266971. The reversal of 390266956 is 659662093.

It is not an unprimeable number, because it can be changed into a prime (390266953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48783366 + ... + 48783373.

Almost surely, 2^390266956 is an apocalyptic number.

It is an amenable number.

390266956 is a deficient number, since it is larger than the sum of its proper divisors (292700224).

390266956 is a wasteful number, since it uses less digits than its factorization.

390266956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97566743 (or 97566741 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 390266956 is about 19755.1754231644. The cubic root of 390266956 is about 730.7810218517.

The spelling of 390266956 in words is "three hundred ninety million, two hundred sixty-six thousand, nine hundred fifty-six".