109109998 has 8 divisors (see below), whose sum is σ = 166439160. Its totient is φ = 53630280.

The previous prime is 109109993. The next prime is 109110013. The reversal of 109109998 is 899901901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109109993) 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 3 ways as a sum of consecutive naturals, for example, 462213 + ... + 462448.

It is an arithmetic number, because the mean of its divisors is an integer number (20804895).

Almost surely, 2^109109998 is an apocalyptic number.

109109998 is a deficient number, since it is larger than the sum of its proper divisors (57329162).

109109998 is an equidigital number, since it uses as much as digits as its factorization.

109109998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924722.

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

The square root of 109109998 is about 10445.5731293213. The cubic root of 109109998 is about 477.8462505113.

The spelling of 109109998 in words is "one hundred nine million, one hundred nine thousand, nine hundred ninety-eight".