3318239 has 2 divisors, whose sum is σ = 3318240. Its totient is φ = 3318238.

The previous prime is 3318229. The next prime is 3318241. The reversal of 3318239 is 9328133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3318239 - 2⁴ = 3318223 is a prime.

It is a super-2 number, since 2×3318239² = 22021420122242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3318241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3318229) 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, 1659119 + 1659120.

It is an arithmetic number, because the mean of its divisors is an integer number (1659120).

Almost surely, 2^3318239 is an apocalyptic number.

3318239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3318239 is an equidigital number, since it uses as much as digits as its factorization.

3318239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 3318239 is about 1821.6034145774. The cubic root of 3318239 is about 149.1543376235.

The spelling of 3318239 in words is "three million, three hundred eighteen thousand, two hundred thirty-nine".