198834 has 16 divisors (see below), whose sum is σ = 410880. Its totient is φ = 64080.

The previous prime is 198833. The next prime is 198839. The reversal of 198834 is 438891.

It is a junction number, because it is equal to n+sod(n) for n = 198795 and 198804.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198834.

It is not an unprimeable number, because it can be changed into a prime (198833) 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, 349 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (25680).

2¹⁹⁸⁸³⁴ is an apocalyptic number.

198834 is an abundant number, since it is smaller than the sum of its proper divisors (212046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198834 is a wasteful number, since it uses less digits than its factorization.

198834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 6912, while the sum is 33.

The square root of 198834 is about 445.9080622729. The cubic root of 198834 is about 58.3664863697.

The spelling of 198834 in words is "one hundred ninety-eight thousand, eight hundred thirty-four".