9969173 has 2 divisors, whose sum is σ = 9969174. Its totient is φ = 9969172.

The previous prime is 9969161. The next prime is 9969187. The reversal of 9969173 is 3719699.

It is a happy number.

9969173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7828804 + 2140369 = 2798^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 9969173 - 2¹⁰ = 9968149 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9969103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984586 + 4984587.

It is an arithmetic number, because the mean of its divisors is an integer number (4984587).

Almost surely, 2^9969173 is an apocalyptic number.

It is an amenable number.

9969173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9969173 is an equidigital number, since it uses as much as digits as its factorization.

9969173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 44.

The square root of 9969173 is about 3157.3997212897. The cubic root of 9969173 is about 215.2218586002.

The spelling of 9969173 in words is "nine million, nine hundred sixty-nine thousand, one hundred seventy-three".