528308 has 12 divisors (see below), whose sum is σ = 1008672. Its totient is φ = 240120.

The previous prime is 528299. The next prime is 528313. The reversal of 528308 is 803825.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

528308 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 3 ways as a sum of consecutive naturals, for example, 5960 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (84056).

2⁵²⁸³⁰⁸ is an apocalyptic number.

It is an amenable number.

528308 is a deficient number, since it is larger than the sum of its proper divisors (480364).

528308 is a wasteful number, since it uses less digits than its factorization.

528308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12022 (or 12020 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 528308 is about 726.8479896099. The cubic root of 528308 is about 80.8405132910.

The spelling of 528308 in words is "five hundred twenty-eight thousand, three hundred eight".