390479216 has 60 divisors (see below), whose sum is σ = 790107912. Its totient is φ = 186899328.

The previous prime is 390479213. The next prime is 390479237. The reversal of 390479216 is 612974093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390479213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982030 + ... + 1982226.

Almost surely, 2^390479216 is an apocalyptic number.

It is an amenable number.

390479216 is an abundant number, since it is smaller than the sum of its proper divisors (399628696).

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

390479216 is a wasteful number, since it uses less digits than its factorization.

390479216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 390479216 is about 19760.5469559929. The cubic root of 390479216 is about 730.9134845708.

The spelling of 390479216 in words is "three hundred ninety million, four hundred seventy-nine thousand, two hundred sixteen".