99385900 has 72 divisors (see below), whose sum is σ = 228579120. Its totient is φ = 37443840.

The previous prime is 99385889. The next prime is 99385933. The reversal of 99385900 is 958399.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124302 + ... + 125098.

It is an arithmetic number, because the mean of its divisors is an integer number (3174710).

Almost surely, 2^99385900 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 99385900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114289560).

99385900 is an abundant number, since it is smaller than the sum of its proper divisors (129193220).

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

99385900 is a wasteful number, since it uses less digits than its factorization.

99385900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 99385900 is about 9969.2477148479. The cubic root of 99385900 is about 463.2067985416.

The spelling of 99385900 in words is "ninety-nine million, three hundred eighty-five thousand, nine hundred".