199941 has 8 divisors (see below), whose sum is σ = 304704. Its totient is φ = 114240.

The previous prime is 199933. The next prime is 199961. The reversal of 199941 is 149991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199941 - 2³ = 199933 is a prime.

It is an Ulam number.

199941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199921) 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 7 ways as a sum of consecutive naturals, for example, 4740 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (38088).

2¹⁹⁹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

199941 is a deficient number, since it is larger than the sum of its proper divisors (104763).

199941 is an equidigital number, since it uses as much as digits as its factorization.

199941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531.

The product of its digits is 2916, while the sum is 33.

The square root of 199941 is about 447.1476266291. The cubic root of 199941 is about 58.4746036305.

The spelling of 199941 in words is "one hundred ninety-nine thousand, nine hundred forty-one".