390086316 has 36 divisors (see below), whose sum is σ = 987095200. Its totient is φ = 129891168.

The previous prime is 390086311. The next prime is 390086327. The reversal of 390086316 is 613680093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (390086311) 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, 32190 + ... + 42618.

Almost surely, 2^390086316 is an apocalyptic number.

390086316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

390086316 is an abundant number, since it is smaller than the sum of its proper divisors (597008884).

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

390086316 is a wasteful number, since it uses less digits than its factorization.

390086316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478 (or 11473 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 390086316 is about 19750.6029275058. The cubic root of 390086316 is about 730.6682540362.

The spelling of 390086316 in words is "three hundred ninety million, eighty-six thousand, three hundred sixteen".