99187200 has 480 divisors, whose sum is σ = 426222720. Its totient is φ = 22118400.

The previous prime is 99187199. The next prime is 99187211. The reversal of 99187200 is 278199.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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 47 ways as a sum of consecutive naturals, for example, 2419180 + ... + 2419220.

It is an arithmetic number, because the mean of its divisors is an integer number (887964).

Almost surely, 2^99187200 is an apocalyptic number.

99187200 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 99187200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213111360).

99187200 is an abundant number, since it is smaller than the sum of its proper divisors (327035520).

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

99187200 is a wasteful number, since it uses less digits than its factorization.

99187200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 99187200 is about 9959.2770821983. The cubic root of 99187200 is about 462.8978996053.

The spelling of 99187200 in words is "ninety-nine million, one hundred eighty-seven thousand, two hundred".