109979998 has 8 divisors (see below), whose sum is σ = 165691080. Its totient is φ = 54749640.

The previous prime is 109979993. The next prime is 109980023. The reversal of 109979998 is 899979901.

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 (109979993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119608 + ... + 120523.

It is an arithmetic number, because the mean of its divisors is an integer number (20711385).

Almost surely, 2^109979998 is an apocalyptic number.

109979998 is a deficient number, since it is larger than the sum of its proper divisors (55711082).

109979998 is a wasteful number, since it uses less digits than its factorization.

109979998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240362.

The product of its (nonzero) digits is 3306744, while the sum is 61.

The square root of 109979998 is about 10487.1348804142. The cubic root of 109979998 is about 479.1129421337.

The spelling of 109979998 in words is "one hundred nine million, nine hundred seventy-nine thousand, nine hundred ninety-eight".