9421943 has 2 divisors, whose sum is σ = 9421944. Its totient is φ = 9421942.

The previous prime is 9421933. The next prime is 9421963. The reversal of 9421943 is 3491249.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3491249) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9421943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9421903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710971 + 4710972.

It is an arithmetic number, because the mean of its divisors is an integer number (4710972).

Almost surely, 2^9421943 is an apocalyptic number.

9421943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9421943 is an equidigital number, since it uses as much as digits as its factorization.

9421943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 9421943 is about 3069.5183661285. The cubic root of 9421943 is about 211.2095206218.

The spelling of 9421943 in words is "nine million, four hundred twenty-one thousand, nine hundred forty-three".