389937383832 has 32 divisors (see below), whose sum is σ = 975942547200. Its totient is φ = 129832582944.

The previous prime is 389937383779. The next prime is 389937383863. The reversal of 389937383832 is 238383739983.

It is a super-3 number, since 3×389937383832³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 9137332 + ... + 9179907.

It is an arithmetic number, because the mean of its divisors is an integer number (30498204600).

Almost surely, 2^389937383832 is an apocalyptic number.

It is an amenable number.

389937383832 is an abundant number, since it is smaller than the sum of its proper divisors (586005163368).

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

389937383832 is a wasteful number, since it uses less digits than its factorization.

389937383832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18318135 (or 18318131 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 66.

The spelling of 389937383832 in words is "three hundred eighty-nine billion, nine hundred thirty-seven million, three hundred eighty-three thousand, eight hundred thirty-two".