390063168 has 112 divisors (see below), whose sum is σ = 1251021120. Its totient is φ = 118195200.

The previous prime is 390063143. The next prime is 390063221. The reversal of 390063168 is 861360093.

It is a happy number.

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

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, 8748 + ... + 29268.

Almost surely, 2^390063168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390063168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625510560).

390063168 is an abundant number, since it is smaller than the sum of its proper divisors (860957952).

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

390063168 is a wasteful number, since it uses less digits than its factorization.

390063168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553 (or 20537 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 390063168 is about 19750.0169113852. The cubic root of 390063168 is about 730.6538009586.

The spelling of 390063168 in words is "three hundred ninety million, sixty-three thousand, one hundred sixty-eight".