528330 has 32 divisors (see below), whose sum is σ = 1384128. Its totient is φ = 128000.

The previous prime is 528329. The next prime is 528373. The reversal of 528330 is 33825.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 528297 and 528306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (43254).

2⁵²⁸³³⁰ is an apocalyptic number.

528330 is an abundant number, since it is smaller than the sum of its proper divisors (855798).

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

528330 is a wasteful number, since it uses less digits than its factorization.

528330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 528330 is about 726.8631232908. The cubic root of 528330 is about 80.8416354057.

It can be divided in two parts, 528 and 330, that added together give a palindrome (858).

The spelling of 528330 in words is "five hundred twenty-eight thousand, three hundred thirty".