389014528 has 66 divisors (see below), whose sum is σ = 904728966. Its totient is φ = 166699008.

The previous prime is 389014517. The next prime is 389014537. The reversal of 389014528 is 825410983.

It can be written as a sum of positive squares in only one way, i.e., 388562944 + 451584 = 19712^2 + 672^2 .

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 5 ways as a sum of consecutive naturals, for example, 46300 + ... + 54052.

Almost surely, 2^389014528 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 389014528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452364483).

389014528 is an abundant number, since it is smaller than the sum of its proper divisors (515714438).

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

389014528 is an equidigital number, since it uses as much as digits as its factorization.

389014528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 389014528 is about 19723.4512192973. The cubic root of 389014528 is about 729.9984537404.

The spelling of 389014528 in words is "three hundred eighty-nine million, fourteen thousand, five hundred twenty-eight".