528660 has 96 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 126720.

The previous prime is 528659. The next prime is 528667. The reversal of 528660 is 66825.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5896 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2⁵²⁸⁶⁶⁰ 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 528660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

528660 is an abundant number, since it is smaller than the sum of its proper divisors (1285740).

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

528660 is a wasteful number, since it uses less digits than its factorization.

528660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 528660 is about 727.0900907040. The cubic root of 528660 is about 80.8584633903.

The spelling of 528660 in words is "five hundred twenty-eight thousand, six hundred sixty".