198934 has 8 divisors (see below), whose sum is σ = 316008. Its totient is φ = 93600.

The previous prime is 198929. The next prime is 198937. The reversal of 198934 is 439891.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 5851 = 198934 / (1 + 9 + 8 + 9 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 198934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198937) 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 3 ways as a sum of consecutive naturals, for example, 2892 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2¹⁹⁸⁹³⁴ is an apocalyptic number.

198934 is a deficient number, since it is larger than the sum of its proper divisors (117074).

198934 is a wasteful number, since it uses less digits than its factorization.

198934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870.

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

The square root of 198934 is about 446.0201789157. The cubic root of 198934 is about 58.3762695229.

The spelling of 198934 in words is "one hundred ninety-eight thousand, nine hundred thirty-four".