389528832 has 216 divisors, whose sum is σ = 1317006432. Its totient is φ = 101068800.

The previous prime is 389528827. The next prime is 389528869. The reversal of 389528832 is 238825983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413482 + ... + 414422.

It is an arithmetic number, because the mean of its divisors is an integer number (6097252).

Almost surely, 2^389528832 is an apocalyptic number.

389528832 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 389528832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658503216).

389528832 is an abundant number, since it is smaller than the sum of its proper divisors (927477600).

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

389528832 is a wasteful number, since it uses less digits than its factorization.

389528832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 964 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 389528832 is about 19736.4847933972. The cubic root of 389528832 is about 730.3200148186.

The spelling of 389528832 in words is "three hundred eighty-nine million, five hundred twenty-eight thousand, eight hundred thirty-two".