8242859 has 2 divisors, whose sum is σ = 8242860. Its totient is φ = 8242858.

The previous prime is 8242849. The next prime is 8242867. The reversal of 8242859 is 9582428.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8242859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8242849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121429 + 4121430.

It is an arithmetic number, because the mean of its divisors is an integer number (4121430).

Almost surely, 2^8242859 is an apocalyptic number.

8242859 is a deficient number, since it is larger than the sum of its proper divisors (1).

8242859 is an equidigital number, since it uses as much as digits as its factorization.

8242859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 8242859 is about 2871.0379656145. The cubic root of 8242859 is about 202.0036842121.

The spelling of 8242859 in words is "eight million, two hundred forty-two thousand, eight hundred fifty-nine".