390074564 has 12 divisors (see below), whose sum is σ = 744687888. Its totient is φ = 177306600.

The previous prime is 390074561. The next prime is 390074593. The reversal of 390074564 is 465470093.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (390074561) 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, 4432622 + ... + 4432709.

It is an arithmetic number, because the mean of its divisors is an integer number (62057324).

Almost surely, 2^390074564 is an apocalyptic number.

It is an amenable number.

390074564 is a deficient number, since it is larger than the sum of its proper divisors (354613324).

390074564 is a wasteful number, since it uses less digits than its factorization.

390074564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865346 (or 8865344 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 390074564 is about 19750.3054153600. The cubic root of 390074564 is about 730.6609164298.

The spelling of 390074564 in words is "three hundred ninety million, seventy-four thousand, five hundred sixty-four".