99823800 has 96 divisors (see below), whose sum is σ = 320180400. Its totient is φ = 25697280.

The previous prime is 99823753. The next prime is 99823819. The reversal of 99823800 is 832899.

It is a congruent number.

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, 14532 + ... + 20268.

Almost surely, 2^99823800 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 99823800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160090200).

99823800 is an abundant number, since it is smaller than the sum of its proper divisors (220356600).

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

99823800 is a wasteful number, since it uses less digits than its factorization.

99823800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 99823800 is about 9991.1861157722. The cubic root of 99823800 is about 463.8861071037.

The spelling of 99823800 in words is "ninety-nine million, eight hundred twenty-three thousand, eight hundred".