1008239 has 2 divisors, whose sum is σ = 1008240. Its totient is φ = 1008238.

The previous prime is 1008233. The next prime is 1008247. The reversal of 1008239 is 9328001.

1008239 is nontrivially palindromic in base 16.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1008239 - 2⁴ = 1008223 is a prime.

It is a super-2 number, since 2×1008239² = 2033091762242, 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 (1008233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504119 + 504120.

It is an arithmetic number, because the mean of its divisors is an integer number (504120).

2^1008239 is an apocalyptic number.

1008239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008239 is an equidigital number, since it uses as much as digits as its factorization.

1008239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1008239 is about 1004.1110496354. Note that the first 3 decimals coincide. The cubic root of 1008239 is about 100.2738825321.

The spelling of 1008239 in words is "one million, eight thousand, two hundred thirty-nine".