99292288 has 64 divisors (see below), whose sum is σ = 213710400. Its totient is φ = 45810688.

The previous prime is 99292279. The next prime is 99292301. The reversal of 99292288 is 88229299.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84795 + ... + 85957.

It is an arithmetic number, because the mean of its divisors is an integer number (3339225).

Almost surely, 2^99292288 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 99292288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106855200).

99292288 is an abundant number, since it is smaller than the sum of its proper divisors (114418112).

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

99292288 is a wasteful number, since it uses less digits than its factorization.

99292288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1217 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 99292288 is about 9964.5515704421. The cubic root of 99292288 is about 463.0613207084.

The spelling of 99292288 in words is "ninety-nine million, two hundred ninety-two thousand, two hundred eighty-eight".