99890600 has 96 divisors (see below), whose sum is σ = 247900800. Its totient is φ = 37324800.

The previous prime is 99890579. The next prime is 99890627. The reversal of 99890600 is 609899.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368465 + ... + 368735.

It is an arithmetic number, because the mean of its divisors is an integer number (2582300).

Almost surely, 2^99890600 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 99890600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123950400).

99890600 is an abundant number, since it is smaller than the sum of its proper divisors (148010200).

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

99890600 is a wasteful number, since it uses less digits than its factorization.

99890600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 99890600 is about 9994.5285031361. The cubic root of 99890600 is about 463.9895583263.

The spelling of 99890600 in words is "ninety-nine million, eight hundred ninety thousand, six hundred".