9973393 has 2 divisors, whose sum is σ = 9973394. Its totient is φ = 9973392.

The previous prime is 9973367. The next prime is 9973409. The reversal of 9973393 is 3933799.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9168784 + 804609 = 3028^2 + 897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9973393 is a prime.

It is not a weakly prime, because it can be changed into another prime (9973793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986696 + 4986697.

It is an arithmetic number, because the mean of its divisors is an integer number (4986697).

Almost surely, 2^9973393 is an apocalyptic number.

It is an amenable number.

9973393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973393 is an equidigital number, since it uses as much as digits as its factorization.

9973393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137781, while the sum is 43.

The square root of 9973393 is about 3158.0679220055. The cubic root of 9973393 is about 215.2522224736.

The spelling of 9973393 in words is "nine million, nine hundred seventy-three thousand, three hundred ninety-three".