99230292 has 144 divisors (see below), whose sum is σ = 317157120. Its totient is φ = 26659584.

The previous prime is 99230281. The next prime is 99230297. The reversal of 99230292 is 29203299.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99230297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89413 + ... + 90515.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^99230292 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 99230292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158578560).

99230292 is an abundant number, since it is smaller than the sum of its proper divisors (217926828).

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

99230292 is a wasteful number, since it uses less digits than its factorization.

99230292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 99230292 is about 9961.4402573122. The cubic root of 99230292 is about 462.9649254187.

The spelling of 99230292 in words is "ninety-nine million, two hundred thirty thousand, two hundred ninety-two".