390459012 has 48 divisors (see below), whose sum is σ = 942907392. Its totient is φ = 125627040.

The previous prime is 390458989. The next prime is 390459023. The reversal of 390459012 is 210954093.

It is a super-2 number, since 2×390459012² = 304916480104032288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171103 + ... + 173369.

It is an arithmetic number, because the mean of its divisors is an integer number (19643904).

Almost surely, 2^390459012 is an apocalyptic number.

It is an amenable number.

390459012 is an abundant number, since it is smaller than the sum of its proper divisors (552448380).

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

390459012 is a wasteful number, since it uses less digits than its factorization.

390459012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2766 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 390459012 is about 19760.0357287126. The cubic root of 390459012 is about 730.9008781544.

The spelling of 390459012 in words is "three hundred ninety million, four hundred fifty-nine thousand, twelve".