390064544 has 24 divisors (see below), whose sum is σ = 801329760. Its totient is φ = 186552256.

The previous prime is 390064511. The next prime is 390064579. The reversal of 390064544 is 445460093.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264254 + ... + 265725.

It is an arithmetic number, because the mean of its divisors is an integer number (33388740).

Almost surely, 2^390064544 is an apocalyptic number.

It is an amenable number.

390064544 is an abundant number, since it is smaller than the sum of its proper divisors (411265216).

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

390064544 is a wasteful number, since it uses less digits than its factorization.

390064544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530012 (or 530004 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 390064544 is about 19750.0517467677. The cubic root of 390064544 is about 730.6546601173.

The spelling of 390064544 in words is "three hundred ninety million, sixty-four thousand, five hundred forty-four".