528889320 has 96 divisors (see below), whose sum is σ = 1809381600. Its totient is φ = 133612416.

The previous prime is 528889297. The next prime is 528889349. The reversal of 528889320 is 23988825.

528889320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 31822 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (18847725).

Almost surely, 2^528889320 is an apocalyptic number.

It is an amenable number.

528889320 is an abundant number, since it is smaller than the sum of its proper divisors (1280492280).

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

528889320 is a wasteful number, since it uses less digits than its factorization.

528889320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77359 (or 77352 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 528889320 is about 22997.5937871770. The cubic root of 528889320 is about 808.7015318609.

The spelling of 528889320 in words is "five hundred twenty-eight million, eight hundred eighty-nine thousand, three hundred twenty".