390104672 has 48 divisors (see below), whose sum is σ = 786868992. Its totient is φ = 190323840.

The previous prime is 390104657. The next prime is 390104683. The reversal of 390104672 is 276401093.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 233183 + ... + 234849.

It is an arithmetic number, because the mean of its divisors is an integer number (16393104).

Almost surely, 2^390104672 is an apocalyptic number.

390104672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390104672 is an abundant number, since it is smaller than the sum of its proper divisors (396764320).

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

390104672 is a wasteful number, since it uses less digits than its factorization.

390104672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 390104672 is about 19751.0676167138. The cubic root of 390104672 is about 730.6797146929.

The spelling of 390104672 in words is "three hundred ninety million, one hundred four thousand, six hundred seventy-two".