389863936 has 240 divisors, whose sum is σ = 1044933120. Its totient is φ = 141926400.

The previous prime is 389863921. The next prime is 389863937. The reversal of 389863936 is 639368983.

It is not an unprimeable number, because it can be changed into a prime (389863937) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12576241 + ... + 12576271.

It is an arithmetic number, because the mean of its divisors is an integer number (4353888).

Almost surely, 2^389863936 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 389863936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522466560).

389863936 is an abundant number, since it is smaller than the sum of its proper divisors (655069184).

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

389863936 is a wasteful number, since it uses less digits than its factorization.

389863936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 80 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

The square root of 389863936 is about 19744.9724233791. The cubic root of 389863936 is about 730.5293814447.

The spelling of 389863936 in words is "three hundred eighty-nine million, eight hundred sixty-three thousand, nine hundred thirty-six".