199994 has 12 divisors (see below), whose sum is σ = 317754. Its totient is φ = 94392.

The previous prime is 199967. The next prime is 199999. The reversal of 199994 is 499991.

199994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 9025 = 437^2 + 95^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584 + ... + 860.

2¹⁹⁹⁹⁹⁴ is an apocalyptic number.

199994 is a deficient number, since it is larger than the sum of its proper divisors (117760).

199994 is a wasteful number, since it uses less digits than its factorization.

199994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 298 counting only the distinct ones).

The product of its digits is 26244, while the sum is 41.

The square root of 199994 is about 447.2068872457. The cubic root of 199994 is about 58.4797699549.

The spelling of 199994 in words is "one hundred ninety-nine thousand, nine hundred ninety-four".