6688086 has 8 divisors (see below), whose sum is σ = 13376184. Its totient is φ = 2229360.

The previous prime is 6688079. The next prime is 6688093. The reversal of 6688086 is 6808866.

It is an interprime number because it is at equal distance from previous prime (6688079) and next prime (6688093).

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

6688086 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 557335 + ... + 557346.

It is an arithmetic number, because the mean of its divisors is an integer number (1672023).

Almost surely, 2^6688086 is an apocalyptic number.

6688086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6688086 is a wasteful number, since it uses less digits than its factorization.

6688086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114686.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 6688086 is about 2586.1334072317. The cubic root of 6688086 is about 188.4085539366.

It can be divided in two parts, 66880 and 86, that added together give a palindrome (66966).

The spelling of 6688086 in words is "six million, six hundred eighty-eight thousand, eighty-six".