390887314 has 16 divisors (see below), whose sum is σ = 603048600. Its totient is φ = 189886464.

The previous prime is 390887309. The next prime is 390887347. The reversal of 390887314 is 413788093.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 283080625 + 107806689 = 16825^2 + 10383^2 .

It is a super-2 number, since 2×390887314² = 305585784492269192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53472 + ... + 60340.

Almost surely, 2^390887314 is an apocalyptic number.

390887314 is a deficient number, since it is larger than the sum of its proper divisors (212161286).

390887314 is a wasteful number, since it uses less digits than its factorization.

390887314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 390887314 is about 19770.8703399724. The cubic root of 390887314 is about 731.1680269083.

The spelling of 390887314 in words is "three hundred ninety million, eight hundred eighty-seven thousand, three hundred fourteen".