198335 has 4 divisors (see below), whose sum is σ = 238008. Its totient is φ = 158664.

The previous prime is 198323. The next prime is 198337. The reversal of 198335 is 533891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533891 = 59 ⋅9049.

It is a cyclic number.

It is not a de Polignac number, because 198335 - 2¹⁰ = 197311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198298 and 198307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19829 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (59502).

2¹⁹⁸³³⁵ is an apocalyptic number.

198335 is a deficient number, since it is larger than the sum of its proper divisors (39673).

198335 is an equidigital number, since it uses as much as digits as its factorization.

198335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39672.

The product of its digits is 3240, while the sum is 29.

The square root of 198335 is about 445.3481783953. The cubic root of 198335 is about 58.3176193501.

The spelling of 198335 in words is "one hundred ninety-eight thousand, three hundred thirty-five".