6946439 has 2 divisors, whose sum is σ = 6946440. Its totient is φ = 6946438.

The previous prime is 6946411. The next prime is 6946441. The reversal of 6946439 is 9346496.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6946439 is a prime.

Together with 6946441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6946396 and 6946405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473219 + 3473220.

It is an arithmetic number, because the mean of its divisors is an integer number (3473220).

Almost surely, 2^6946439 is an apocalyptic number.

6946439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946439 is an equidigital number, since it uses as much as digits as its factorization.

6946439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 6946439 is about 2635.6097966125. The cubic root of 6946439 is about 190.8039709130.

The spelling of 6946439 in words is "six million, nine hundred forty-six thousand, four hundred thirty-nine".