99108500 has 48 divisors (see below), whose sum is σ = 217439040. Its totient is φ = 39463200.

The previous prime is 99108481. The next prime is 99108509. The reversal of 99108500 is 580199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99108509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189239 + ... + 189761.

It is an arithmetic number, because the mean of its divisors is an integer number (4529980).

Almost surely, 2^99108500 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 99108500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108719520).

99108500 is an abundant number, since it is smaller than the sum of its proper divisors (118330540).

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

99108500 is a wasteful number, since it uses less digits than its factorization.

99108500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 99108500 is about 9955.3252081487. The cubic root of 99108500 is about 462.7754385616.

Adding to 99108500 its reverse (580199), we get a palindrome (99688699).

The spelling of 99108500 in words is "ninety-nine million, one hundred eight thousand, five hundred".