99198099 has 108 divisors (see below), whose sum is σ = 198522792. Its totient is φ = 47567520.

The previous prime is 99198089. The next prime is 99198101. The reversal of 99198099 is 99089199.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 99198099 - 2⁸ = 99197843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99198079) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 7630617 + ... + 7630629.

It is an arithmetic number, because the mean of its divisors is an integer number (1838174).

Almost surely, 2^99198099 is an apocalyptic number.

99198099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99198099 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99198099 is a wasteful number, since it uses less digits than its factorization.

99198099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

The square root of 99198099 is about 9959.8242454373. The cubic root of 99198099 is about 462.9148538743.

Subtracting from 99198099 its reverse (99089199), we obtain a square (108900 = 330²).

The spelling of 99198099 in words is "ninety-nine million, one hundred ninety-eight thousand, ninety-nine".