390420120 has 64 divisors (see below), whose sum is σ = 1173957120. Its totient is φ = 103872384.

The previous prime is 390420119. The next prime is 390420179. The reversal of 390420120 is 21024093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52047 + ... + 59073.

It is an arithmetic number, because the mean of its divisors is an integer number (18343080).

Almost surely, 2^390420120 is an apocalyptic number.

390420120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

390420120 is an abundant number, since it is smaller than the sum of its proper divisors (783537000).

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

390420120 is a wasteful number, since it uses less digits than its factorization.

390420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504 (or 7500 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 390420120 is about 19759.0515966734. The cubic root of 390420120 is about 730.8766100154.

The spelling of 390420120 in words is "three hundred ninety million, four hundred twenty thousand, one hundred twenty".