99000800 has 72 divisors (see below), whose sum is σ = 246921696. Its totient is φ = 38743040.

The previous prime is 99000793. The next prime is 99000817. The reversal of 99000800 is 800099.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99000800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36284 + ... + 38916.

It is an arithmetic number, because the mean of its divisors is an integer number (3429468).

Almost surely, 2^99000800 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 99000800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123460848).

99000800 is an abundant number, since it is smaller than the sum of its proper divisors (147920896).

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

99000800 is a wasteful number, since it uses less digits than its factorization.

99000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 99000800 is about 9949.9145724976. The cubic root of 99000800 is about 462.6077469930.

Adding to 99000800 its reverse (800099), we get a palindrome (99800899).

The spelling of 99000800 in words is "ninety-nine million, eight hundred", and thus it is an aban number.