199198 has 8 divisors (see below), whose sum is σ = 301392. Its totient is φ = 98736.

The previous prime is 199193. The next prime is 199207. The reversal of 199198 is 891991.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199193) by changing a digit.

199198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (37674).

2¹⁹⁹¹⁹⁸ is an apocalyptic number.

199198 is a deficient number, since it is larger than the sum of its proper divisors (102194).

199198 is a wasteful number, since it uses less digits than its factorization.

199198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its digits is 5832, while the sum is 37.

The square root of 199198 is about 446.3160315292. The cubic root of 199198 is about 58.4020813044.

It can be divided in two parts, 1 and 99198, that added together give a palindrome (99199).

The spelling of 199198 in words is "one hundred ninety-nine thousand, one hundred ninety-eight".