528438564 has 36 divisors (see below), whose sum is σ = 1406081040. Its totient is φ = 166875120.

The previous prime is 528438539. The next prime is 528438577. The reversal of 528438564 is 465834825.

528438564 is a `hidden beast` number, since 5 + 2 + 84 + 3 + 8 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385602 + ... + 386969.

Almost surely, 2^528438564 is an apocalyptic number.

It is an amenable number.

528438564 is an abundant number, since it is smaller than the sum of its proper divisors (877642476).

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

528438564 is a wasteful number, since it uses less digits than its factorization.

528438564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772600 (or 772595 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 528438564 is about 22987.7916294715. The cubic root of 528438564 is about 808.4717227992.

The spelling of 528438564 in words is "five hundred twenty-eight million, four hundred thirty-eight thousand, five hundred sixty-four".