390860902 has 16 divisors (see below), whose sum is σ = 598350240. Its totient is φ = 191423232.

The previous prime is 390860879. The next prime is 390860909. The reversal of 390860902 is 209068093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390860909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68599 + ... + 74077.

It is an arithmetic number, because the mean of its divisors is an integer number (37396890).

Almost surely, 2^390860902 is an apocalyptic number.

390860902 is a deficient number, since it is larger than the sum of its proper divisors (207489338).

390860902 is a wasteful number, since it uses less digits than its factorization.

390860902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 390860902 is about 19770.2023763036. The cubic root of 390860902 is about 731.1515583557.

The spelling of 390860902 in words is "three hundred ninety million, eight hundred sixty thousand, nine hundred two".