528891 has 24 divisors (see below), whose sum is σ = 817152. Its totient is φ = 303600.

The previous prime is 528883. The next prime is 528911. The reversal of 528891 is 198825.

It is a happy number.

528891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 528891 - 2³ = 528883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

528891 is a modest number, since divided by 891 gives 528 as remainder.

528891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (528811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11230 + ... + 11276.

It is an arithmetic number, because the mean of its divisors is an integer number (34048).

2⁵²⁸⁸⁹¹ is an apocalyptic number.

528891 is a deficient number, since it is larger than the sum of its proper divisors (288261).

528891 is a wasteful number, since it uses less digits than its factorization.

528891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 92 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 528891 is about 727.2489257469. The cubic root of 528891 is about 80.8702388132.

The spelling of 528891 in words is "five hundred twenty-eight thousand, eight hundred ninety-one".