9646943 has 2 divisors, whose sum is σ = 9646944. Its totient is φ = 9646942.

The previous prime is 9646933. The next prime is 9646951. The reversal of 9646943 is 3496469.

It is a strong prime.

It is an emirp because it is prime and its reverse (3496469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9646943 - 2¹⁴ = 9630559 is a prime.

It is a super-3 number, since 3×9646943³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9646943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9646933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823471 + 4823472.

It is an arithmetic number, because the mean of its divisors is an integer number (4823472).

Almost surely, 2^9646943 is an apocalyptic number.

9646943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646943 is an equidigital number, since it uses as much as digits as its factorization.

9646943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 9646943 is about 3105.9528328679. The cubic root of 9646943 is about 212.8775700280.

The spelling of 9646943 in words is "nine million, six hundred forty-six thousand, nine hundred forty-three".