9986693 has 2 divisors, whose sum is σ = 9986694. Its totient is φ = 9986692.

The previous prime is 9986659. The next prime is 9986699. The reversal of 9986693 is 3966899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9840769 + 145924 = 3137^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 9986693 - 2¹⁰ = 9985669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9986699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4993346 + 4993347.

It is an arithmetic number, because the mean of its divisors is an integer number (4993347).

Almost surely, 2^9986693 is an apocalyptic number.

It is an amenable number.

9986693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9986693 is an equidigital number, since it uses as much as digits as its factorization.

9986693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 9986693 is about 3160.1729383058. The cubic root of 9986693 is about 215.3478630416.

The spelling of 9986693 in words is "nine million, nine hundred eighty-six thousand, six hundred ninety-three".