199049 has 2 divisors, whose sum is σ = 199050. Its totient is φ = 199048.

The previous prime is 199039. The next prime is 199081. The reversal of 199049 is 940991.

It is an a-pointer prime, because the next prime (199081) can be obtained adding 199049 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 1024 = 445^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 199049 - 2⁴ = 199033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199039) 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 as a sum of consecutive naturals, namely, 99524 + 99525.

It is an arithmetic number, because the mean of its divisors is an integer number (99525).

2¹⁹⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

199049 is a deficient number, since it is larger than the sum of its proper divisors (1).

199049 is an equidigital number, since it uses as much as digits as its factorization.

199049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 199049 is about 446.1490782239. The cubic root of 199049 is about 58.3875160968.

The spelling of 199049 in words is "one hundred ninety-nine thousand, forty-nine".