194239 has 2 divisors, whose sum is σ = 194240. Its totient is φ = 194238.

The previous prime is 194203. The next prime is 194263. The reversal of 194239 is 932491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194239 - 2⁹ = 193727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97119 + 97120.

It is an arithmetic number, because the mean of its divisors is an integer number (97120).

2¹⁹⁴²³⁹ is an apocalyptic number.

194239 is a deficient number, since it is larger than the sum of its proper divisors (1).

194239 is an equidigital number, since it uses as much as digits as its factorization.

194239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 194239 is about 440.7255381754. The cubic root of 194239 is about 57.9133664999.

The spelling of 194239 in words is "one hundred ninety-four thousand, two hundred thirty-nine".