389865168 has 180 divisors, whose sum is σ = 1384875648. Its totient is φ = 101243520.

The previous prime is 389865163. The next prime is 389865169. The reversal of 389865168 is 861568983.

389865168 is a `hidden beast` number, since 38 + 98 + 6 + 516 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389865163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75105 + ... + 80127.

Almost surely, 2^389865168 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 389865168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692437824).

389865168 is an abundant number, since it is smaller than the sum of its proper divisors (995010480).

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

389865168 is a wasteful number, since it uses less digits than its factorization.

389865168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062 (or 5046 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 389865168 is about 19745.0036211696. The cubic root of 389865168 is about 730.5301509536.

The spelling of 389865168 in words is "three hundred eighty-nine million, eight hundred sixty-five thousand, one hundred sixty-eight".