8342239 has 2 divisors, whose sum is σ = 8342240. Its totient is φ = 8342238.

The previous prime is 8342219. The next prime is 8342251. The reversal of 8342239 is 9322438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8342239 - 2⁹ = 8341727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8342239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8342219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171119 + 4171120.

It is an arithmetic number, because the mean of its divisors is an integer number (4171120).

Almost surely, 2^8342239 is an apocalyptic number.

8342239 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342239 is an equidigital number, since it uses as much as digits as its factorization.

8342239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 8342239 is about 2888.2934407709. The cubic root of 8342239 is about 202.8122622253.

The spelling of 8342239 in words is "eight million, three hundred forty-two thousand, two hundred thirty-nine".