198417119 has 4 divisors (see below), whose sum is σ = 198798480. Its totient is φ = 198035760.

The previous prime is 198417091. The next prime is 198417137. The reversal of 198417119 is 911714891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198417119 - 2²⁴ = 181639903 is a prime.

It is a super-2 number, since 2×198417119² = 78738706224520322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198417419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189899 + ... + 190940.

It is an arithmetic number, because the mean of its divisors is an integer number (49699620).

Almost surely, 2^198417119 is an apocalyptic number.

198417119 is a deficient number, since it is larger than the sum of its proper divisors (381361).

198417119 is an equidigital number, since it uses as much as digits as its factorization.

198417119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381360.

The product of its digits is 18144, while the sum is 41.

The square root of 198417119 is about 14086.0611598843. The cubic root of 198417119 is about 583.2566688545.

The spelling of 198417119 in words is "one hundred ninety-eight million, four hundred seventeen thousand, one hundred nineteen".