528870564 has 72 divisors (see below), whose sum is σ = 1386927360. Its totient is φ = 169724352.

The previous prime is 528870541. The next prime is 528870569. The reversal of 528870564 is 465078825.

528870564 is a `hidden beast` number, since 5 + 2 + 8 + 87 + 0 + 564 = 666.

It is not an unprimeable number, because it can be changed into a prime (528870569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612397 + ... + 613259.

It is an arithmetic number, because the mean of its divisors is an integer number (19262880).

Almost surely, 2^528870564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528870564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693463680).

528870564 is an abundant number, since it is smaller than the sum of its proper divisors (858056796).

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

528870564 is a wasteful number, since it uses less digits than its factorization.

528870564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 528870564 is about 22997.1860017699. The cubic root of 528870564 is about 808.6919720881.

The spelling of 528870564 in words is "five hundred twenty-eight million, eight hundred seventy thousand, five hundred sixty-four".