9943243 has 2 divisors, whose sum is σ = 9943244. Its totient is φ = 9943242.

The previous prime is 9943237. The next prime is 9943247. The reversal of 9943243 is 3423499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9943243 - 2⁹ = 9942731 is a prime.

9943243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9943199 and 9943208.

It is not a weakly prime, because it can be changed into another prime (9943247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971621 + 4971622.

It is an arithmetic number, because the mean of its divisors is an integer number (4971622).

Almost surely, 2^9943243 is an apocalyptic number.

9943243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9943243 is an equidigital number, since it uses as much as digits as its factorization.

9943243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 9943243 is about 3153.2908207141. The cubic root of 9943243 is about 215.0350979297.

The spelling of 9943243 in words is "nine million, nine hundred forty-three thousand, two hundred forty-three".