109489198 has 16 divisors (see below), whose sum is σ = 202134240. Its totient is φ = 43314336.

The previous prime is 109489183. The next prime is 109489199. The reversal of 109489198 is 891984901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109489199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300613 + ... + 300976.

It is an arithmetic number, because the mean of its divisors is an integer number (12633390).

Almost surely, 2^109489198 is an apocalyptic number.

109489198 is a deficient number, since it is larger than the sum of its proper divisors (92645042).

109489198 is a wasteful number, since it uses less digits than its factorization.

109489198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601611.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 109489198 is about 10463.7086159736. The cubic root of 109489198 is about 478.3991781165.

The spelling of 109489198 in words is "one hundred nine million, four hundred eighty-nine thousand, one hundred ninety-eight".