197198 has 8 divisors (see below), whose sum is σ = 302808. Its totient is φ = 96264.

The previous prime is 197161. The next prime is 197203. The reversal of 197198 is 891791.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (37851).

2¹⁹⁷¹⁹⁸ is an apocalyptic number.

197198 is a deficient number, since it is larger than the sum of its proper divisors (105610).

197198 is a wasteful number, since it uses less digits than its factorization.

197198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its digits is 4536, while the sum is 35.

The square root of 197198 is about 444.0698143310. The cubic root of 197198 is about 58.2059660948.

The spelling of 197198 in words is "one hundred ninety-seven thousand, one hundred ninety-eight".