528688 has 20 divisors (see below), whose sum is σ = 1035648. Its totient is φ = 261440.

The previous prime is 528679. The next prime is 528691. The reversal of 528688 is 886825.

It is a super-2 number, since 2×528688² = 559022002688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2673 + ... + 2863.

2⁵²⁸⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

528688 is a deficient number, since it is larger than the sum of its proper divisors (506960).

528688 is a wasteful number, since it uses less digits than its factorization.

528688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 366 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 528688 is about 727.1093452845. The cubic root of 528688 is about 80.8598908969.

The spelling of 528688 in words is "five hundred twenty-eight thousand, six hundred eighty-eight".