390834088 has 16 divisors (see below), whose sum is σ = 734018580. Its totient is φ = 195095808.

The previous prime is 390834079. The next prime is 390834109. The reversal of 390834088 is 880438093.

It can be written as a sum of positive squares in 2 ways, for example, as 329712964 + 61121124 = 18158^2 + 7818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34945 + ... + 44752.

Almost surely, 2^390834088 is an apocalyptic number.

It is an amenable number.

390834088 is a deficient number, since it is larger than the sum of its proper divisors (343184492).

390834088 is a wasteful number, since it uses less digits than its factorization.

390834088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80316 (or 80312 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 390834088 is about 19769.5242229043. The cubic root of 390834088 is about 731.1348383869.

The spelling of 390834088 in words is "three hundred ninety million, eight hundred thirty-four thousand, eighty-eight".