528684 has 24 divisors (see below), whose sum is σ = 1328880. Its totient is φ = 162624.

The previous prime is 528679. The next prime is 528691. The reversal of 528684 is 486825.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528684.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (55370).

2⁵²⁸⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

528684 is an abundant number, since it is smaller than the sum of its proper divisors (800196).

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

528684 is a wasteful number, since it uses less digits than its factorization.

528684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 528684 is about 727.1065946613. The cubic root of 528684 is about 80.8596869705.

The spelling of 528684 in words is "five hundred twenty-eight thousand, six hundred eighty-four".