6939941 has 2 divisors, whose sum is σ = 6939942. Its totient is φ = 6939940.

The previous prime is 6939937. The next prime is 6939943. The reversal of 6939941 is 1499396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 2819041 = 2030^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939941 - 2² = 6939937 is a prime.

Together with 6939943, 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 (6939943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469970 + 3469971.

It is an arithmetic number, because the mean of its divisors is an integer number (3469971).

Almost surely, 2^6939941 is an apocalyptic number.

It is an amenable number.

6939941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939941 is an equidigital number, since it uses as much as digits as its factorization.

6939941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 6939941 is about 2634.3767763932. The cubic root of 6939941 is about 190.7444569181.

The spelling of 6939941 in words is "six million, nine hundred thirty-nine thousand, nine hundred forty-one".