6686086 has 16 divisors (see below), whose sum is σ = 11082240. Its totient is φ = 2999880.

The previous prime is 6686051. The next prime is 6686093. The reversal of 6686086 is 6806866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (692640).

Almost surely, 2^6686086 is an apocalyptic number.

6686086 is a deficient number, since it is larger than the sum of its proper divisors (4396154).

6686086 is a wasteful number, since it uses less digits than its factorization.

6686086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 6686086 is about 2585.7467006650. The cubic root of 6686086 is about 188.3897715487.

The spelling of 6686086 in words is "six million, six hundred eighty-six thousand, eighty-six".