190198 has 8 divisors (see below), whose sum is σ = 290160. Its totient is φ = 93480.

The previous prime is 190181. The next prime is 190207. The reversal of 190198 is 891091.

190198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 658 + ... + 901.

It is an arithmetic number, because the mean of its divisors is an integer number (36270).

2¹⁹⁰¹⁹⁸ is an apocalyptic number.

190198 is a deficient number, since it is larger than the sum of its proper divisors (99962).

190198 is a wasteful number, since it uses less digits than its factorization.

190198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

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

The square root of 190198 is about 436.1169567903. The cubic root of 190198 is about 57.5089337096.

The spelling of 190198 in words is "one hundred ninety thousand, one hundred ninety-eight".