6856575 has 24 divisors (see below), whose sum is σ = 12368256. Its totient is φ = 3324000.

The previous prime is 6856573. The next prime is 6856589. The reversal of 6856575 is 5756586.

It is not a de Polignac number, because 6856575 - 2¹ = 6856573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3331 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (515344).

Almost surely, 2^6856575 is an apocalyptic number.

6856575 is a deficient number, since it is larger than the sum of its proper divisors (5511681).

6856575 is a wasteful number, since it uses less digits than its factorization.

6856575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335 (or 8330 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 6856575 is about 2618.5062535728. The cubic root of 6856575 is about 189.9776058556.

It can be divided in two parts, 685 and 6575, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6856575 in words is "six million, eight hundred fifty-six thousand, five hundred seventy-five".