6686043 has 32 divisors (see below), whose sum is σ = 11558400. Its totient is φ = 3338496.

The previous prime is 6686041. The next prime is 6686047. The reversal of 6686043 is 3406866.

It is not a de Polignac number, because 6686043 - 2¹ = 6686041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6685995 and 6686013.

It is not an unprimeable number, because it can be changed into a prime (6686041) 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 31 ways as a sum of consecutive naturals, for example, 4543 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (361200).

Almost surely, 2^6686043 is an apocalyptic number.

6686043 is a deficient number, since it is larger than the sum of its proper divisors (4872357).

6686043 is a wasteful number, since it uses less digits than its factorization.

6686043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6686043 is about 2585.7383858388. The cubic root of 6686043 is about 188.3893676863.

The spelling of 6686043 in words is "six million, six hundred eighty-six thousand, forty-three".