99860992 has 160 divisors (see below), whose sum is σ = 265161600. Its totient is φ = 36372480.

The previous prime is 99860987. The next prime is 99861011. The reversal of 99860992 is 29906899.

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 15 ways as a sum of consecutive naturals, for example, 670134 + ... + 670282.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 2^99860992 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 99860992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132580800).

99860992 is an abundant number, since it is smaller than the sum of its proper divisors (165300608).

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

99860992 is a wasteful number, since it uses less digits than its factorization.

99860992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 99860992 is about 9993.0471829167. The cubic root of 99860992 is about 463.9437109680.

The spelling of 99860992 in words is "ninety-nine million, eight hundred sixty thousand, nine hundred ninety-two".