389624256 has 196 divisors, whose sum is σ = 1325922672. Its totient is φ = 111227904.

The previous prime is 389624239. The next prime is 389624269. The reversal of 389624256 is 652426983.

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 27 ways as a sum of consecutive naturals, for example, 325996 + ... + 327188.

Almost surely, 2^389624256 is an apocalyptic number.

389624256 is a gapful number since it is divisible by the number (36) 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 389624256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662961336).

389624256 is an abundant number, since it is smaller than the sum of its proper divisors (936298416).

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

389624256 is an equidigital number, since it uses as much as digits as its factorization.

389624256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1205 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 389624256 is about 19738.9020971279. The cubic root of 389624256 is about 730.3796461487.

The spelling of 389624256 in words is "three hundred eighty-nine million, six hundred twenty-four thousand, two hundred fifty-six".