528430 has 16 divisors (see below), whose sum is σ = 1087200. Its totient is φ = 181152.

The previous prime is 528419. The next prime is 528433. The reversal of 528430 is 34825.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528433) by changing a digit.

528430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (67950).

2⁵²⁸⁴³⁰ is an apocalyptic number.

528430 is an abundant number, since it is smaller than the sum of its proper divisors (558770).

It is a weird number, because it is abundant, but not a pseudoperfect number.

528430 is a wasteful number, since it uses less digits than its factorization.

528430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 528430 is about 726.9319087783. The cubic root of 528430 is about 80.8467355348.

The spelling of 528430 in words is "five hundred twenty-eight thousand, four hundred thirty".