390253612 has 24 divisors (see below), whose sum is σ = 793739520. Its totient is φ = 164416080.

The previous prime is 390253607. The next prime is 390253613. The reversal of 390253612 is 216352093.

It is not an unprimeable number, because it can be changed into a prime (390253613) 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 7 ways as a sum of consecutive naturals, for example, 116464 + ... + 119767.

It is an arithmetic number, because the mean of its divisors is an integer number (33072480).

Almost surely, 2^390253612 is an apocalyptic number.

It is an amenable number.

390253612 is an abundant number, since it is smaller than the sum of its proper divisors (403485908).

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

390253612 is a wasteful number, since it uses less digits than its factorization.

390253612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236301 (or 236299 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 390253612 is about 19754.8376859948. The cubic root of 390253612 is about 730.7726928067.

The spelling of 390253612 in words is "three hundred ninety million, two hundred fifty-three thousand, six hundred twelve".