528666 has 32 divisors (see below), whose sum is σ = 1150848. Its totient is φ = 161280.

The previous prime is 528659. The next prime is 528667. The reversal of 528666 is 666825.

528666 is a modest number, since divided by 666 gives 528 as remainder.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7206 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (35964).

2⁵²⁸⁶⁶⁶ is an apocalyptic number.

528666 is an abundant number, since it is smaller than the sum of its proper divisors (622182).

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

528666 is a wasteful number, since it uses less digits than its factorization.

528666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its digits is 17280, while the sum is 33.

The square root of 528666 is about 727.0942167285. The cubic root of 528666 is about 80.8587692888.

The spelling of 528666 in words is "five hundred twenty-eight thousand, six hundred sixty-six".