390264084 has 72 divisors (see below), whose sum is σ = 1163821568. Its totient is φ = 107904960.

The previous prime is 390264037. The next prime is 390264103. The reversal of 390264084 is 480462093.

It is a happy number.

390264084 is a `hidden beast` number, since 3 + 9 + 0 + 2 + 640 + 8 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17167 + ... + 32790.

Almost surely, 2^390264084 is an apocalyptic number.

It is an amenable number.

390264084 is an abundant number, since it is smaller than the sum of its proper divisors (773557484).

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

390264084 is a wasteful number, since it uses less digits than its factorization.

390264084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50005 (or 50000 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 390264084 is about 19755.1027332181. The cubic root of 390264084 is about 730.7792292255.

The spelling of 390264084 in words is "three hundred ninety million, two hundred sixty-four thousand, eighty-four".