99210800 has 60 divisors (see below), whose sum is σ = 256702320. Its totient is φ = 36629760.

The previous prime is 99210781. The next prime is 99210821. The reversal of 99210800 is 801299.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4340 + ... + 14739.

It is an arithmetic number, because the mean of its divisors is an integer number (4278372).

Almost surely, 2^99210800 is an apocalyptic number.

It is an amenable number.

99210800 is an abundant number, since it is smaller than the sum of its proper divisors (157491520).

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

99210800 is a wasteful number, since it uses less digits than its factorization.

99210800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110 (or 19099 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 99210800 is about 9960.4618366821. The cubic root of 99210800 is about 462.9346097322.

The spelling of 99210800 in words is "ninety-nine million, two hundred ten thousand, eight hundred".