17117393 has 4 divisors (see below), whose sum is σ = 17398068. Its totient is φ = 16836720.

The previous prime is 17117381. The next prime is 17117411. The reversal of 17117393 is 39371171.

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 208849 + 16908544 = 457^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 17117393 - 2⁶ = 17117329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17119393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140246 + ... + 140367.

It is an arithmetic number, because the mean of its divisors is an integer number (4349517).

Almost surely, 2^17117393 is an apocalyptic number.

It is an amenable number.

17117393 is a deficient number, since it is larger than the sum of its proper divisors (280675).

17117393 is an equidigital number, since it uses as much as digits as its factorization.

17117393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280674.

The product of its digits is 3969, while the sum is 32.

The square root of 17117393 is about 4137.3171258679. The cubic root of 17117393 is about 257.7186655494.

The spelling of 17117393 in words is "seventeen million, one hundred seventeen thousand, three hundred ninety-three".