389796528 has 80 divisors (see below), whose sum is σ = 1107357696. Its totient is φ = 117169920.

The previous prime is 389796499. The next prime is 389796541. The reversal of 389796528 is 825697983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64150 + ... + 69962.

Almost surely, 2^389796528 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 389796528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553678848).

389796528 is an abundant number, since it is smaller than the sum of its proper divisors (717561168).

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

389796528 is a wasteful number, since it uses less digits than its factorization.

389796528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5956 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The square root of 389796528 is about 19743.2653834162. The cubic root of 389796528 is about 730.4872758464.

The spelling of 389796528 in words is "three hundred eighty-nine million, seven hundred ninety-six thousand, five hundred twenty-eight".