99280800 has 108 divisors (see below), whose sum is σ = 350114310. Its totient is φ = 26472960.

The previous prime is 99280789. The next prime is 99280823. The reversal of 99280800 is 808299.

It can be written as a sum of positive squares in 3 ways, for example, as 94245264 + 5035536 = 9708^2 + 2244^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 306 + ... + 14094.

Almost surely, 2^99280800 is an apocalyptic number.

99280800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99280800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175057155).

99280800 is an abundant number, since it is smaller than the sum of its proper divisors (250833510).

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

99280800 is a wasteful number, since it uses less digits than its factorization.

99280800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 99280800 is about 9963.9751103663. The cubic root of 99280800 is about 463.0434614710.

The spelling of 99280800 in words is "ninety-nine million, two hundred eighty thousand, eight hundred".