528428 has 24 divisors (see below), whose sum is σ = 1033200. Its totient is φ = 235008.

The previous prime is 528419. The next prime is 528433. The reversal of 528428 is 824825.

It is a self number, because there is not a number n which added to its sum of digits gives 528428.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (43050).

2⁵²⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

528428 is a deficient number, since it is larger than the sum of its proper divisors (504772).

528428 is a wasteful number, since it uses less digits than its factorization.

528428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 447 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 528428 is about 726.9305331323. The cubic root of 528428 is about 80.8466335385.

The spelling of 528428 in words is "five hundred twenty-eight thousand, four hundred twenty-eight".