9743993 has 12 divisors (see below), whose sum is σ = 11578752. Its totient is φ = 8172360.

The previous prime is 9743989. The next prime is 9744001. The reversal of 9743993 is 3993479.

It is a happy number.

It is not a de Polignac number, because 9743993 - 2² = 9743989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9743953) 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 in 11 ways as a sum of consecutive naturals, for example, 188 + ... + 4418.

It is an arithmetic number, because the mean of its divisors is an integer number (964896).

Almost surely, 2^9743993 is an apocalyptic number.

It is an amenable number.

9743993 is a deficient number, since it is larger than the sum of its proper divisors (1834759).

9743993 is a wasteful number, since it uses less digits than its factorization.

9743993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292 (or 4285 counting only the distinct ones).

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

The square root of 9743993 is about 3121.5369611779. The cubic root of 9743993 is about 213.5890518055.

The spelling of 9743993 in words is "nine million, seven hundred forty-three thousand, nine hundred ninety-three".