8969173 has 4 divisors (see below), whose sum is σ = 8992620. Its totient is φ = 8945728.

The previous prime is 8969171. The next prime is 8969179. The reversal of 8969173 is 3719698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5793649 + 3175524 = 2407^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 8969173 - 2¹ = 8969171 is a prime.

It is a Duffinian number.

8969173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11140 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (2248155).

Almost surely, 2^8969173 is an apocalyptic number.

It is an amenable number.

8969173 is a deficient number, since it is larger than the sum of its proper divisors (23447).

8969173 is a wasteful number, since it uses less digits than its factorization.

8969173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446.

The product of its digits is 81648, while the sum is 43.

The square root of 8969173 is about 2994.8577595605. The cubic root of 8969173 is about 207.7706189897.

The spelling of 8969173 in words is "eight million, nine hundred sixty-nine thousand, one hundred seventy-three".