199249 has 4 divisors (see below), whose sum is σ = 207936. Its totient is φ = 190564.

The previous prime is 199247. The next prime is 199261. The reversal of 199249 is 942991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 199249 - 2¹ = 199247 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (199247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (51984).

2¹⁹⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

199249 is a deficient number, since it is larger than the sum of its proper divisors (8687).

199249 is an equidigital number, since it uses as much as digits as its factorization.

199249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686.

The product of its digits is 5832, while the sum is 34.

The square root of 199249 is about 446.3731622757. The cubic root of 199249 is about 58.4070650426.

The spelling of 199249 in words is "one hundred ninety-nine thousand, two hundred forty-nine".