99528405 has 16 divisors (see below), whose sum is σ = 159857280. Its totient is φ = 52877888.

The previous prime is 99528389. The next prime is 99528431. The reversal of 99528405 is 50482599.

It is a cyclic number.

It is not a de Polignac number, because 99528405 - 2⁴ = 99528389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (9991080).

Almost surely, 2^99528405 is an apocalyptic number.

It is an amenable number.

99528405 is a deficient number, since it is larger than the sum of its proper divisors (60328875).

99528405 is a wasteful number, since it uses less digits than its factorization.

99528405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 99528405 is about 9976.3923840234. The cubic root of 99528405 is about 463.4280833203.

The spelling of 99528405 in words is "ninety-nine million, five hundred twenty-eight thousand, four hundred five".