99898800 has 240 divisors, whose sum is σ = 348727680. Its totient is φ = 24350720.

The previous prime is 99898793. The next prime is 99898819. The reversal of 99898800 is 889899.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1203559 + ... + 1203641.

It is an arithmetic number, because the mean of its divisors is an integer number (1453032).

Almost surely, 2^99898800 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 99898800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174363840).

99898800 is an abundant number, since it is smaller than the sum of its proper divisors (248828880).

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

99898800 is a wasteful number, since it uses less digits than its factorization.

99898800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 99898800 is about 9994.9387191718. The cubic root of 99898800 is about 464.0022542498.

The spelling of 99898800 in words is "ninety-nine million, eight hundred ninety-eight thousand, eight hundred".