99528400 has 30 divisors (see below), whose sum is σ = 239117942. Its totient is φ = 39811200.

The previous prime is 99528389. The next prime is 99528431. The reversal of 99528400 is 482599.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 99440784 = 296^2 + 9972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99528400.

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, 124011 + ... + 124810.

Almost surely, 2^99528400 is an apocalyptic number.

It is an amenable number.

99528400 is an abundant number, since it is smaller than the sum of its proper divisors (139589542).

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

99528400 is a wasteful number, since it uses less digits than its factorization.

99528400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248839 (or 248828 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 99528400 is about 9976.3921334318. The cubic root of 99528400 is about 463.4280755599.

The spelling of 99528400 in words is "ninety-nine million, five hundred twenty-eight thousand, four hundred".