109608198 has 24 divisors (see below), whose sum is σ = 255007512. Its totient is φ = 31316544.

The previous prime is 109608193. The next prime is 109608221. The reversal of 109608198 is 891806901.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109608193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186115 + ... + 186702.

It is an arithmetic number, because the mean of its divisors is an integer number (10625313).

Almost surely, 2^109608198 is an apocalyptic number.

109608198 is an abundant number, since it is smaller than the sum of its proper divisors (145399314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109608198 is a wasteful number, since it uses less digits than its factorization.

109608198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372836 (or 372829 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 109608198 is about 10469.3933921694. The cubic root of 109608198 is about 478.5724338372.

The spelling of 109608198 in words is "one hundred nine million, six hundred eight thousand, one hundred ninety-eight".