6856173 has 12 divisors (see below), whose sum is σ = 10029760. Its totient is φ = 4512456.

The previous prime is 6856159. The next prime is 6856181. The reversal of 6856173 is 3716586.

It is not a de Polignac number, because 6856173 - 2⁵ = 6856141 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4111 + ... + 5532.

Almost surely, 2^6856173 is an apocalyptic number.

It is an amenable number.

6856173 is a deficient number, since it is larger than the sum of its proper divisors (3173587).

6856173 is a wasteful number, since it uses less digits than its factorization.

6856173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728 (or 9725 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6856173 is about 2618.4294911263. The cubic root of 6856173 is about 189.9738929965.

The spelling of 6856173 in words is "six million, eight hundred fifty-six thousand, one hundred seventy-three".