6941891 has 12 divisors (see below), whose sum is σ = 7718256. Its totient is φ = 6238320.

The previous prime is 6941873. The next prime is 6941917. The reversal of 6941891 is 1981496.

It is a happy number.

It is not a de Polignac number, because 6941891 - 2¹⁸ = 6679747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6941801) 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 in 11 ways as a sum of consecutive naturals, for example, 12185 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 2^6941891 is an apocalyptic number.

6941891 is a deficient number, since it is larger than the sum of its proper divisors (776365).

6941891 is a wasteful number, since it uses less digits than its factorization.

6941891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 671 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 6941891 is about 2634.7468569105. The cubic root of 6941891 is about 190.7623205118.

The spelling of 6941891 in words is "six million, nine hundred forty-one thousand, eight hundred ninety-one".