389528 has 32 divisors (see below), whose sum is σ = 799200. Its totient is φ = 177408.

The previous prime is 389527. The next prime is 389531. The reversal of 389528 is 825983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (24975).

2³⁸⁹⁵²⁸ is an apocalyptic number.

It is an amenable number.

389528 is an abundant number, since it is smaller than the sum of its proper divisors (409672).

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

389528 is a wasteful number, since it uses less digits than its factorization.

389528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 127 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 389528 is about 624.1217829879. The cubic root of 389528 is about 73.0319494851.

The spelling of 389528 in words is "three hundred eighty-nine thousand, five hundred twenty-eight".