99293880 has 128 divisors (see below), whose sum is σ = 348480000. Its totient is φ = 22159872.

The previous prime is 99293863. The next prime is 99293881. The reversal of 99293880 is 8839299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99293881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34746 + ... + 37494.

It is an arithmetic number, because the mean of its divisors is an integer number (2722500).

Almost surely, 2^99293880 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 99293880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174240000).

99293880 is an abundant number, since it is smaller than the sum of its proper divisors (249186120).

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

99293880 is a wasteful number, since it uses less digits than its factorization.

99293880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 99293880 is about 9964.6314532952. The cubic root of 99293880 is about 463.0637955219.

The spelling of 99293880 in words is "ninety-nine million, two hundred ninety-three thousand, eight hundred eighty".