390804484 has 12 divisors (see below), whose sum is σ = 781609024. Its totient is φ = 167487624.

The previous prime is 390804481. The next prime is 390804487. The reversal of 390804484 is 484408093.

It is an interprime number because it is at equal distance from previous prime (390804481) and next prime (390804487).

390804484 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (390804481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6978624 + ... + 6978679.

Almost surely, 2^390804484 is an apocalyptic number.

It is an amenable number.

390804484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

390804484 is a wasteful number, since it uses less digits than its factorization.

390804484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957314 (or 13957312 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 390804484 is about 19768.7754805400. The cubic root of 390804484 is about 731.1163778150.

The spelling of 390804484 in words is "three hundred ninety million, eight hundred four thousand, four hundred eighty-four".