9173409 has 32 divisors (see below), whose sum is σ = 14945280. Its totient is φ = 4888512.

The previous prime is 9173393. The next prime is 9173441. The reversal of 9173409 is 9043719.

It is not a de Polignac number, because 9173409 - 2⁴ = 9173393 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9173409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9173459) 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 31 ways as a sum of consecutive naturals, for example, 32979 + ... + 33255.

It is an arithmetic number, because the mean of its divisors is an integer number (467040).

Almost surely, 2^9173409 is an apocalyptic number.

It is an amenable number.

9173409 is a deficient number, since it is larger than the sum of its proper divisors (5771871).

9173409 is a wasteful number, since it uses less digits than its factorization.

9173409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 9173409 is about 3028.7636091316. The cubic root of 9173409 is about 209.3358381943.

The spelling of 9173409 in words is "nine million, one hundred seventy-three thousand, four hundred nine".