299239 has 2 divisors, whose sum is σ = 299240. Its totient is φ = 299238.

The previous prime is 299213. The next prime is 299261. The reversal of 299239 is 932992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 299239 - 2¹¹ = 297191 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299239.

It is not a weakly prime, because it can be changed into another prime (299539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149619 + 149620.

It is an arithmetic number, because the mean of its divisors is an integer number (149620).

2²⁹⁹²³⁹ is an apocalyptic number.

299239 is a deficient number, since it is larger than the sum of its proper divisors (1).

299239 is an equidigital number, since it uses as much as digits as its factorization.

299239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 299239 is about 547.0274216161. The cubic root of 299239 is about 66.8866428036.

The spelling of 299239 in words is "two hundred ninety-nine thousand, two hundred thirty-nine".