9409943 has 2 divisors, whose sum is σ = 9409944. Its totient is φ = 9409942.

The previous prime is 9409909. The next prime is 9409963. The reversal of 9409943 is 3499049.

It is a strong prime.

It is an emirp because it is prime and its reverse (3499049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9409943 - 2⁶ = 9409879 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9409897 and 9409906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9409903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4704971 + 4704972.

It is an arithmetic number, because the mean of its divisors is an integer number (4704972).

Almost surely, 2^9409943 is an apocalyptic number.

9409943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9409943 is an equidigital number, since it uses as much as digits as its factorization.

9409943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 9409943 is about 3067.5630392870. The cubic root of 9409943 is about 211.1198154511.

The spelling of 9409943 in words is "nine million, four hundred nine thousand, nine hundred forty-three".