9973793 has 2 divisors, whose sum is σ = 9973794. Its totient is φ = 9973792.

The previous prime is 9973763. The next prime is 9973811. The reversal of 9973793 is 3973799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 283024 = 3113^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973793 - 2¹² = 9969697 is a prime.

It is not a weakly prime, because it can be changed into another prime (9973753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986896 + 4986897.

It is an arithmetic number, because the mean of its divisors is an integer number (4986897).

Almost surely, 2^9973793 is an apocalyptic number.

It is an amenable number.

9973793 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973793 is an equidigital number, since it uses as much as digits as its factorization.

9973793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 321489, while the sum is 47.

The square root of 9973793 is about 3158.1312512307. The cubic root of 9973793 is about 215.2551001214.

The spelling of 9973793 in words is "nine million, nine hundred seventy-three thousand, seven hundred ninety-three".