99798288 has 40 divisors (see below), whose sum is σ = 269024448. Its totient is φ = 31819392.

The previous prime is 99798277. The next prime is 99798319. The reversal of 99798288 is 88289799.

It is an unprimeable number.

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, 44095 + ... + 46302.

Almost surely, 2^99798288 is an apocalyptic number.

It is an amenable number.

99798288 is an abundant number, since it is smaller than the sum of its proper divisors (169226160).

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

99798288 is a wasteful number, since it uses less digits than its factorization.

99798288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90431 (or 90425 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 60.

The square root of 99798288 is about 9989.9093088977. The cubic root of 99798288 is about 463.8465852305.

The spelling of 99798288 in words is "ninety-nine million, seven hundred ninety-eight thousand, two hundred eighty-eight".