3378839 has 2 divisors, whose sum is σ = 3378840. Its totient is φ = 3378838.

The previous prime is 3378799. The next prime is 3378857. The reversal of 3378839 is 9388733.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3378839 - 2¹² = 3374743 is a prime.

It is a super-2 number, since 2×3378839² = 22833105975842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3378796 and 3378805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3378889) 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, 1689419 + 1689420.

It is an arithmetic number, because the mean of its divisors is an integer number (1689420).

Almost surely, 2^3378839 is an apocalyptic number.

3378839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3378839 is an equidigital number, since it uses as much as digits as its factorization.

3378839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 3378839 is about 1838.1618535918. The cubic root of 3378839 is about 150.0568525233.

The spelling of 3378839 in words is "three million, three hundred seventy-eight thousand, eight hundred thirty-nine".