6686846 has 8 divisors (see below), whose sum is σ = 10065384. Its totient is φ = 3331720.

The previous prime is 6686843. The next prime is 6686857. The reversal of 6686846 is 6486866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6686797 and 6686806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 6291.

It is an arithmetic number, because the mean of its divisors is an integer number (1258173).

Almost surely, 2^6686846 is an apocalyptic number.

6686846 is a deficient number, since it is larger than the sum of its proper divisors (3378538).

6686846 is a wasteful number, since it uses less digits than its factorization.

6686846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706.

The product of its digits is 331776, while the sum is 44.

The square root of 6686846 is about 2585.8936559727. The cubic root of 6686846 is about 188.3969092973.

It can be divided in two parts, 668684 and 6, that multiplied together give a palindrome (4012104).

The spelling of 6686846 in words is "six million, six hundred eighty-six thousand, eight hundred forty-six".