6686983 has 2 divisors, whose sum is σ = 6686984. Its totient is φ = 6686982.

The previous prime is 6686947. The next prime is 6686987. The reversal of 6686983 is 3896866.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6686983 - 2²¹ = 4589831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6686987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343491 + 3343492.

It is an arithmetic number, because the mean of its divisors is an integer number (3343492).

Almost surely, 2^6686983 is an apocalyptic number.

6686983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6686983 is an equidigital number, since it uses as much as digits as its factorization.

6686983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 6686983 is about 2585.9201457122. The cubic root of 6686983 is about 188.3981959128.

The spelling of 6686983 in words is "six million, six hundred eighty-six thousand, nine hundred eighty-three".