390357212 has 12 divisors (see below), whose sum is σ = 780714480. Its totient is φ = 167295936.

The previous prime is 390357211. The next prime is 390357241. The reversal of 390357212 is 212753093.

390357212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390357211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6970637 + ... + 6970692.

It is an arithmetic number, because the mean of its divisors is an integer number (65059540).

Almost surely, 2^390357212 is an apocalyptic number.

It is an amenable number.

390357212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

390357212 is a wasteful number, since it uses less digits than its factorization.

390357212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941340 (or 13941338 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 390357212 is about 19757.4596545204. The cubic root of 390357212 is about 730.8373527699.

The spelling of 390357212 in words is "three hundred ninety million, three hundred fifty-seven thousand, two hundred twelve".