390065712 has 40 divisors (see below), whose sum is σ = 1018070256. Its totient is φ = 128679936.

The previous prime is 390065707. The next prime is 390065749. The reversal of 390065712 is 217560093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37233 + ... + 46544.

Almost surely, 2^390065712 is an apocalyptic number.

It is an amenable number.

390065712 is an abundant number, since it is smaller than the sum of its proper divisors (628004544).

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

390065712 is a wasteful number, since it uses less digits than its factorization.

390065712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83885 (or 83879 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 390065712 is about 19750.0813162883. The cubic root of 390065712 is about 730.6553894015.

The spelling of 390065712 in words is "three hundred ninety million, sixty-five thousand, seven hundred twelve".