528667828 has 18 divisors (see below), whose sum is σ = 1001811174. Its totient is φ = 244000224.

The previous prime is 528667781. The next prime is 528667849. The reversal of 528667828 is 828766825.

It can be written as a sum of positive squares in 3 ways, for example, as 36626704 + 492041124 = 6052^2 + 22182^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390351 + ... + 391702.

Almost surely, 2^528667828 is an apocalyptic number.

It is an amenable number.

528667828 is a deficient number, since it is larger than the sum of its proper divisors (473143346).

528667828 is a wasteful number, since it uses less digits than its factorization.

528667828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782083 (or 782068 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 528667828 is about 22992.7777356282. Note that the first 4 decimals coincide. The cubic root of 528667828 is about 808.5886248542.

The spelling of 528667828 in words is "five hundred twenty-eight million, six hundred sixty-seven thousand, eight hundred twenty-eight".