9691943 has 2 divisors, whose sum is σ = 9691944. Its totient is φ = 9691942.

The previous prime is 9691937. The next prime is 9691963. The reversal of 9691943 is 3491969.

9691943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9691943 - 2⁶ = 9691879 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9691943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9691963) 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, 4845971 + 4845972.

It is an arithmetic number, because the mean of its divisors is an integer number (4845972).

Almost surely, 2^9691943 is an apocalyptic number.

9691943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9691943 is an equidigital number, since it uses as much as digits as its factorization.

9691943 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9691943 is about 3113.1885583755. The cubic root of 9691943 is about 213.2080593175.

The spelling of 9691943 in words is "nine million, six hundred ninety-one thousand, nine hundred forty-three".