189347 has 2 divisors, whose sum is σ = 189348. Its totient is φ = 189346.

The previous prime is 189337. The next prime is 189349. The reversal of 189347 is 743981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189347 - 2¹⁰ = 188323 is a prime.

Together with 189349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189349) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94673 + 94674.

It is an arithmetic number, because the mean of its divisors is an integer number (94674).

2¹⁸⁹³⁴⁷ is an apocalyptic number.

189347 is a deficient number, since it is larger than the sum of its proper divisors (1).

189347 is an equidigital number, since it uses as much as digits as its factorization.

189347 is an evil number, because the sum of its binary digits is even.

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

The square root of 189347 is about 435.1402072896. The cubic root of 189347 is about 57.4230350229.

The spelling of 189347 in words is "one hundred eighty-nine thousand, three hundred forty-seven".