528889 has 4 divisors (see below), whose sum is σ = 532224. Its totient is φ = 525556.

The previous prime is 528883. The next prime is 528911. The reversal of 528889 is 988825.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 528889 - 2³ = 528881 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2⁵²⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

528889 is a deficient number, since it is larger than the sum of its proper divisors (3335).

528889 is a wasteful number, since it uses less digits than its factorization.

528889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its digits is 46080, while the sum is 40.

The square root of 528889 is about 727.2475507006. The cubic root of 528889 is about 80.8701368762.

The spelling of 528889 in words is "five hundred twenty-eight thousand, eight hundred eighty-nine".