6941391 has 4 divisors (see below), whose sum is σ = 9255192. Its totient is φ = 4627592.

The previous prime is 6941387. The next prime is 6941413. The reversal of 6941391 is 1931496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6941391 - 2² = 6941387 is a prime.

It is a D-number.

6941391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6941381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156896 + ... + 1156901.

It is an arithmetic number, because the mean of its divisors is an integer number (2313798).

Almost surely, 2^6941391 is an apocalyptic number.

6941391 is a deficient number, since it is larger than the sum of its proper divisors (2313801).

6941391 is a wasteful number, since it uses less digits than its factorization.

6941391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313800.

The product of its digits is 5832, while the sum is 33.

The square root of 6941391 is about 2634.6519694259. The cubic root of 6941391 is about 190.7577404221.

The spelling of 6941391 in words is "six million, nine hundred forty-one thousand, three hundred ninety-one".