9691393 has 2 divisors, whose sum is σ = 9691394. Its totient is φ = 9691392.

The previous prime is 9691351. The next prime is 9691403. The reversal of 9691393 is 3931969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7795264 + 1896129 = 2792^2 + 1377^2 .

It is an emirp because it is prime and its reverse (3931969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9691393 - 2¹⁷ = 9560321 is a prime.

It is not a weakly prime, because it can be changed into another prime (9691093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845696 + 4845697.

It is an arithmetic number, because the mean of its divisors is an integer number (4845697).

Almost surely, 2^9691393 is an apocalyptic number.

It is an amenable number.

9691393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9691393 is an equidigital number, since it uses as much as digits as its factorization.

9691393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39366, while the sum is 40.

The square root of 9691393 is about 3113.1002232501. The cubic root of 9691393 is about 213.2040261857.

The spelling of 9691393 in words is "nine million, six hundred ninety-one thousand, three hundred ninety-three".