9968243 has 2 divisors, whose sum is σ = 9968244. Its totient is φ = 9968242.

The previous prime is 9968219. The next prime is 9968261. The reversal of 9968243 is 3428699.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9968243 - 2⁸ = 9967987 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 9968243.

It is not a weakly prime, because it can be changed into another prime (9968263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984121 + 4984122.

It is an arithmetic number, because the mean of its divisors is an integer number (4984122).

Almost surely, 2^9968243 is an apocalyptic number.

9968243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968243 is an equidigital number, since it uses as much as digits as its factorization.

9968243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 9968243 is about 3157.2524447690. The cubic root of 9968243 is about 215.2151658835.

The spelling of 9968243 in words is "nine million, nine hundred sixty-eight thousand, two hundred forty-three".