9993743 has 2 divisors, whose sum is σ = 9993744. Its totient is φ = 9993742.

The previous prime is 9993713. The next prime is 9993769. The reversal of 9993743 is 3473999.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3473999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9993743 - 2⁶ = 9993679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9993694 and 9993703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996871 + 4996872.

It is an arithmetic number, because the mean of its divisors is an integer number (4996872).

Almost surely, 2^9993743 is an apocalyptic number.

9993743 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993743 is an equidigital number, since it uses as much as digits as its factorization.

9993743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 9993743 is about 3161.2881867998. The cubic root of 9993743 is about 215.3985253019.

The spelling of 9993743 in words is "nine million, nine hundred ninety-three thousand, seven hundred forty-three".