6688246 has 8 divisors (see below), whose sum is σ = 10043424. Its totient is φ = 3340440.

The previous prime is 6688217. The next prime is 6688267. The reversal of 6688246 is 6428866.

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

It is a junction number, because it is equal to n+sod(n) for n = 6688199 and 6688208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211 + ... + 4273.

It is an arithmetic number, because the mean of its divisors is an integer number (1255428).

Almost surely, 2^6688246 is an apocalyptic number.

6688246 is a deficient number, since it is larger than the sum of its proper divisors (3355178).

6688246 is a wasteful number, since it uses less digits than its factorization.

6688246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686.

The product of its digits is 110592, while the sum is 40.

The square root of 6688246 is about 2586.1643412591. The cubic root of 6688246 is about 188.4100563658.

The spelling of 6688246 in words is "six million, six hundred eighty-eight thousand, two hundred forty-six".