190199 has 4 divisors (see below), whose sum is σ = 194880. Its totient is φ = 185520.

The previous prime is 190181. The next prime is 190207. The reversal of 190199 is 991091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190199 - 2¹² = 186103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190129) 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, 2279 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (48720).

2¹⁹⁰¹⁹⁹ is an apocalyptic number.

190199 is a deficient number, since it is larger than the sum of its proper divisors (4681).

190199 is an equidigital number, since it uses as much as digits as its factorization.

190199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 190199 is about 436.1181032702. The cubic root of 190199 is about 57.5090344972.

It can be divided in two parts, 19019 and 9, that multiplied together give a palindrome (171171).

The spelling of 190199 in words is "one hundred ninety thousand, one hundred ninety-nine".