389026528 has 48 divisors (see below), whose sum is σ = 841639680. Its totient is φ = 175536000.

The previous prime is 389026523. The next prime is 389026529. The reversal of 389026528 is 825620983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389026523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44953 + ... + 52903.

It is an arithmetic number, because the mean of its divisors is an integer number (17534160).

Almost surely, 2^389026528 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 389026528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420819840).

389026528 is an abundant number, since it is smaller than the sum of its proper divisors (452613152).

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

389026528 is a wasteful number, since it uses less digits than its factorization.

389026528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 389026528 is about 19723.7554233467. The cubic root of 389026528 is about 730.0059597937.

The spelling of 389026528 in words is "three hundred eighty-nine million, twenty-six thousand, five hundred twenty-eight".