390946912 has 24 divisors (see below), whose sum is σ = 796219200. Its totient is φ = 188732544.

The previous prime is 390946889. The next prime is 390946937. The reversal of 390946912 is 219649093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209712 + ... + 211567.

It is an arithmetic number, because the mean of its divisors is an integer number (33175800).

Almost surely, 2^390946912 is an apocalyptic number.

390946912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390946912 is an abundant number, since it is smaller than the sum of its proper divisors (405272288).

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

390946912 is a wasteful number, since it uses less digits than its factorization.

390946912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421318 (or 421310 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 390946912 is about 19772.3774999366. The cubic root of 390946912 is about 731.2051850491.

The spelling of 390946912 in words is "three hundred ninety million, nine hundred forty-six thousand, nine hundred twelve".