195198 has 8 divisors (see below), whose sum is σ = 390408. Its totient is φ = 65064.

The previous prime is 195197. The next prime is 195203. The reversal of 195198 is 891591.

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

195198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16261 + ... + 16272.

It is an arithmetic number, because the mean of its divisors is an integer number (48801).

2¹⁹⁵¹⁹⁸ is an apocalyptic number.

195198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195198 is a wasteful number, since it uses less digits than its factorization.

195198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32538.

The product of its digits is 3240, while the sum is 33.

The square root of 195198 is about 441.8121772880. The cubic root of 195198 is about 58.0085203495.

It can be divided in two parts, 195 and 198, that added together give a palindrome (393).

The spelling of 195198 in words is "one hundred ninety-five thousand, one hundred ninety-eight".