99288520 has 32 divisors (see below), whose sum is σ = 224421120. Its totient is φ = 39533760.

The previous prime is 99288503. The next prime is 99288529. The reversal of 99288520 is 2588299.

It is not an unprimeable number, because it can be changed into a prime (99288529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 14485.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2^99288520 is an apocalyptic number.

It is an amenable number.

99288520 is an abundant number, since it is smaller than the sum of its proper divisors (125132600).

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

99288520 is a wasteful number, since it uses less digits than its factorization.

99288520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365 (or 11361 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 99288520 is about 9964.3624984241. The cubic root of 99288520 is about 463.0554631298.

The spelling of 99288520 in words is "ninety-nine million, two hundred eighty-eight thousand, five hundred twenty".