6856874 has 4 divisors (see below), whose sum is σ = 10285314. Its totient is φ = 3428436.

The previous prime is 6856873. The next prime is 6856897. The reversal of 6856874 is 4786586.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6723649 + 133225 = 2593^2 + 365^2 .

It is not an unprimeable number, because it can be changed into a prime (6856873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714217 + ... + 1714220.

Almost surely, 2^6856874 is an apocalyptic number.

6856874 is a deficient number, since it is larger than the sum of its proper divisors (3428440).

6856874 is a wasteful number, since it uses less digits than its factorization.

6856874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428439.

The product of its digits is 322560, while the sum is 44.

The square root of 6856874 is about 2618.5633465700. The cubic root of 6856874 is about 189.9803673158.

The spelling of 6856874 in words is "six million, eight hundred fifty-six thousand, eight hundred seventy-four".