99198910 has 16 divisors (see below), whose sum is σ = 189061776. Its totient is φ = 37345408.

The previous prime is 99198899. The next prime is 99198919. The reversal of 99198910 is 1989199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99198919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291592 + ... + 291931.

It is an arithmetic number, because the mean of its divisors is an integer number (11816361).

Almost surely, 2^99198910 is an apocalyptic number.

99198910 is a deficient number, since it is larger than the sum of its proper divisors (89862866).

99198910 is a wasteful number, since it uses less digits than its factorization.

99198910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583547.

The product of its (nonzero) digits is 52488, while the sum is 46.

The square root of 99198910 is about 9959.8649589239. The cubic root of 99198910 is about 462.9161154003.

It can be divided in two parts, 9 and 9198910, that added together give a palindrome (9198919).

The spelling of 99198910 in words is "ninety-nine million, one hundred ninety-eight thousand, nine hundred ten".