528664 has 8 divisors (see below), whose sum is σ = 991260. Its totient is φ = 264328.

The previous prime is 528659. The next prime is 528667. The reversal of 528664 is 466825.

528664 is nontrivially palindromic in base 16.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 33034 + ... + 33049.

2⁵²⁸⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

528664 is a deficient number, since it is larger than the sum of its proper divisors (462596).

528664 is a wasteful number, since it uses less digits than its factorization.

528664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66089 (or 66085 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 528664 is about 727.0928413896. The cubic root of 528664 is about 80.8586673229.

The spelling of 528664 in words is "five hundred twenty-eight thousand, six hundred sixty-four".