390227404 has 24 divisors (see below), whose sum is σ = 781050368. Its totient is φ = 167112720.

The previous prime is 390227389. The next prime is 390227459. The reversal of 390227404 is 404722093.

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, 38317 + ... + 47419.

Almost surely, 2^390227404 is an apocalyptic number.

It is an amenable number.

390227404 is an abundant number, since it is smaller than the sum of its proper divisors (390822964).

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

390227404 is a wasteful number, since it uses less digits than its factorization.

390227404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645 (or 10643 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 390227404 is about 19754.1743436672. The cubic root of 390227404 is about 730.7563337700.

Adding to 390227404 its reverse (404722093), we get a palindrome (794949497).

The spelling of 390227404 in words is "three hundred ninety million, two hundred twenty-seven thousand, four hundred four".