199834 has 8 divisors (see below), whose sum is σ = 307188. Its totient is φ = 97440.

The previous prime is 199831. The next prime is 199853. The reversal of 199834 is 438991.

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 25 = 447^2 + 5^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 199834.

It is not an unprimeable number, because it can be changed into a prime (199831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137 + ... + 1300.

2¹⁹⁹⁸³⁴ is an apocalyptic number.

199834 is a deficient number, since it is larger than the sum of its proper divisors (107354).

199834 is a wasteful number, since it uses less digits than its factorization.

199834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480.

The product of its digits is 7776, while the sum is 34.

The square root of 199834 is about 447.0279633312. The cubic root of 199834 is about 58.4641707210.

The spelling of 199834 in words is "one hundred ninety-nine thousand, eight hundred thirty-four".