390289512 has 16 divisors (see below), whose sum is σ = 975723840. Its totient is φ = 130096496.

The previous prime is 390289483. The next prime is 390289513. The reversal of 390289512 is 215982093.

It is not an unprimeable number, because it can be changed into a prime (390289513) 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, 8131008 + ... + 8131055.

It is an arithmetic number, because the mean of its divisors is an integer number (60982740).

Almost surely, 2^390289512 is an apocalyptic number.

It is an amenable number.

390289512 is an abundant number, since it is smaller than the sum of its proper divisors (585434328).

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

390289512 is a wasteful number, since it uses less digits than its factorization.

390289512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262072 (or 16262068 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 390289512 is about 19755.7463032911. The cubic root of 390289512 is about 730.7951004022.

The spelling of 390289512 in words is "three hundred ninety million, two hundred eighty-nine thousand, five hundred twelve".