6940943 has 2 divisors, whose sum is σ = 6940944. Its totient is φ = 6940942.

The previous prime is 6940939. The next prime is 6940951. The reversal of 6940943 is 3490496.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6940943 - 2² = 6940939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940943) 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, 3470471 + 3470472.

It is an arithmetic number, because the mean of its divisors is an integer number (3470472).

Almost surely, 2^6940943 is an apocalyptic number.

6940943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940943 is an equidigital number, since it uses as much as digits as its factorization.

6940943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6940943 is about 2634.5669473369. The cubic root of 6940943 is about 190.7536364749.

The spelling of 6940943 in words is "six million, nine hundred forty thousand, nine hundred forty-three".