198347 has 2 divisors, whose sum is σ = 198348. Its totient is φ = 198346.

The previous prime is 198337. The next prime is 198349. The reversal of 198347 is 743891.

198347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (743891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198347 - 2⁸ = 198091 is a prime.

Together with 198349, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198347.

It is not a weakly prime, because it can be changed into another prime (198349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99173 + 99174.

It is an arithmetic number, because the mean of its divisors is an integer number (99174).

2¹⁹⁸³⁴⁷ is an apocalyptic number.

198347 is a deficient number, since it is larger than the sum of its proper divisors (1).

198347 is an equidigital number, since it uses as much as digits as its factorization.

198347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 198347 is about 445.3616507963. The cubic root of 198347 is about 58.3187954701.

It can be divided in two parts, 198 and 347, that added together give a palindrome (545).

The spelling of 198347 in words is "one hundred ninety-eight thousand, three hundred forty-seven".