9911743 has 2 divisors, whose sum is σ = 9911744. Its totient is φ = 9911742.

The previous prime is 9911717. The next prime is 9911747. The reversal of 9911743 is 3471199.

9911743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9911743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9911699 and 9911708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9911747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4955871 + 4955872.

It is an arithmetic number, because the mean of its divisors is an integer number (4955872).

Almost surely, 2^9911743 is an apocalyptic number.

9911743 is a deficient number, since it is larger than the sum of its proper divisors (1).

9911743 is an equidigital number, since it uses as much as digits as its factorization.

9911743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 9911743 is about 3148.2920766663. The cubic root of 9911743 is about 214.8077820502.

The spelling of 9911743 in words is "nine million, nine hundred eleven thousand, seven hundred forty-three".