8448239 has 2 divisors, whose sum is σ = 8448240. Its totient is φ = 8448238.

The previous prime is 8448233. The next prime is 8448277. The reversal of 8448239 is 9328448.

8448239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (8448277) can be obtained adding 8448239 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8448239 - 2²⁰ = 7399663 is a prime.

It is a super-2 number, since 2×8448239² = 142745484402242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8448233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224119 + 4224120.

It is an arithmetic number, because the mean of its divisors is an integer number (4224120).

Almost surely, 2^8448239 is an apocalyptic number.

8448239 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448239 is an equidigital number, since it uses as much as digits as its factorization.

8448239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 8448239 is about 2906.5854537584. The cubic root of 8448239 is about 203.6676553850.

The spelling of 8448239 in words is "eight million, four hundred forty-eight thousand, two hundred thirty-nine".