99519800 has 48 divisors (see below), whose sum is σ = 234025200. Its totient is φ = 39353600.

The previous prime is 99519787. The next prime is 99519811. The reversal of 99519800 is 891599.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15005 + ... + 20595.

It is an arithmetic number, because the mean of its divisors is an integer number (4875525).

Almost surely, 2^99519800 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 99519800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117012600).

99519800 is an abundant number, since it is smaller than the sum of its proper divisors (134505400).

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

99519800 is a wasteful number, since it uses less digits than its factorization.

99519800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696 (or 5687 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 99519800 is about 9975.9611065802. The cubic root of 99519800 is about 463.4147272887.

The spelling of 99519800 in words is "ninety-nine million, five hundred nineteen thousand, eight hundred".