528687 has 20 divisors (see below), whose sum is σ = 810216. Its totient is φ = 343440.

The previous prime is 528679. The next prime is 528691. The reversal of 528687 is 786825.

It is not a de Polignac number, because 528687 - 2³ = 528679 is a prime.

It is a nialpdrome in base 9 and base 14.

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 528687.

It is not an unprimeable number, because it can be changed into a prime (528667) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4888 + ... + 4994.

2⁵²⁸⁶⁸⁷ is an apocalyptic number.

528687 is a deficient number, since it is larger than the sum of its proper divisors (281529).

528687 is a wasteful number, since it uses less digits than its factorization.

528687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 171 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 528687 is about 727.1086576297. The cubic root of 528687 is about 80.8598399154.

The spelling of 528687 in words is "five hundred twenty-eight thousand, six hundred eighty-seven".