389614432 has 48 divisors (see below), whose sum is σ = 823383792. Its totient is φ = 180817920.

The previous prime is 389614397. The next prime is 389614451. The reversal of 389614432 is 234416983.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 34807 + ... + 44617.

It is an arithmetic number, because the mean of its divisors is an integer number (17153829).

Almost surely, 2^389614432 is an apocalyptic number.

389614432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389614432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411691896).

389614432 is an abundant number, since it is smaller than the sum of its proper divisors (433769360).

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

389614432 is a wasteful number, since it uses less digits than its factorization.

389614432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911 (or 9903 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 389614432 is about 19738.6532468657. The cubic root of 389614432 is about 730.3735074909.

The spelling of 389614432 in words is "three hundred eighty-nine million, six hundred fourteen thousand, four hundred thirty-two".