198196 has 6 divisors (see below), whose sum is σ = 346850. Its totient is φ = 99096.

The previous prime is 198193. The next prime is 198197. The reversal of 198196 is 691891.

It can be written as a sum of positive squares in only one way, i.e., 190096 + 8100 = 436^2 + 90^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198193) by changing a digit.

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 as a sum of consecutive naturals, namely, 24771 + ... + 24778.

2¹⁹⁸¹⁹⁶ is an apocalyptic number.

It is an amenable number.

198196 is a deficient number, since it is larger than the sum of its proper divisors (148654).

198196 is a wasteful number, since it uses less digits than its factorization.

198196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49553 (or 49551 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 198196 is about 445.1920933709. The cubic root of 198196 is about 58.3039925007.

The spelling of 198196 in words is "one hundred ninety-eight thousand, one hundred ninety-six".