528642 has 24 divisors (see below), whose sum is σ = 1173744. Its totient is φ = 171864.

The previous prime is 528631. The next prime is 528659. The reversal of 528642 is 246825.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (48906).

2⁵²⁸⁶⁴² is an apocalyptic number.

528642 is an abundant number, since it is smaller than the sum of its proper divisors (645102).

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

528642 is a wasteful number, since it uses less digits than its factorization.

528642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 528642 is about 727.0777124902. The cubic root of 528642 is about 80.8575456808.

The spelling of 528642 in words is "five hundred twenty-eight thousand, six hundred forty-two".