389868032 has 40 divisors (see below), whose sum is σ = 812867616. Its totient is φ = 186452992.

The previous prime is 389868023. The next prime is 389868043. The reversal of 389868032 is 230868983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 28329.

Almost surely, 2^389868032 is an apocalyptic number.

389868032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389868032 is an abundant number, since it is smaller than the sum of its proper divisors (422999584).

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

389868032 is an equidigital number, since it uses as much as digits as its factorization.

389868032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33148 (or 33132 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 389868032 is about 19745.0761457129. The cubic root of 389868032 is about 730.5319398056.

The spelling of 389868032 in words is "three hundred eighty-nine million, eight hundred sixty-eight thousand, thirty-two".