19198 has 8 divisors (see below), whose sum is σ = 29880. Its totient is φ = 9240.

The previous prime is 19183. The next prime is 19207. The reversal of 19198 is 89191.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108 + ... + 223.

It is an arithmetic number, because the mean of its divisors is an integer number (3735).

2¹⁹¹⁹⁸ is an apocalyptic number.

19198 is a deficient number, since it is larger than the sum of its proper divisors (10682).

19198 is a wasteful number, since it uses less digits than its factorization.

19198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 648, while the sum is 28.

The square root of 19198 is about 138.5568475392. The cubic root of 19198 is about 26.7763882030.

It can be divided in two parts, 191 and 98, that added together give a square (289 = 17²).

The spelling of 19198 in words is "nineteen thousand, one hundred ninety-eight".