6856475 has 6 divisors (see below), whose sum is σ = 8502060. Its totient is φ = 5485160.

The previous prime is 6856469. The next prime is 6856477. The reversal of 6856475 is 5746586.

6856475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6856475 - 2⁴ = 6856459 is a prime.

It is a super-2 number, since 2×6856475² = 94022498851250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6856477) 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 5 ways as a sum of consecutive naturals, for example, 137105 + ... + 137154.

It is an arithmetic number, because the mean of its divisors is an integer number (1417010).

Almost surely, 2^6856475 is an apocalyptic number.

6856475 is a deficient number, since it is larger than the sum of its proper divisors (1645585).

6856475 is a wasteful number, since it uses less digits than its factorization.

6856475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274269 (or 274264 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 6856475 is about 2618.4871586471. The cubic root of 6856475 is about 189.9766822723.

The spelling of 6856475 in words is "six million, eight hundred fifty-six thousand, four hundred seventy-five".