6689227 has 4 divisors (see below), whose sum is σ = 6919920. Its totient is φ = 6458536.

The previous prime is 6689203. The next prime is 6689233. The reversal of 6689227 is 7229866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6689227 - 2⁷ = 6689099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6689227.

It is not an unprimeable number, because it can be changed into a prime (6689237) 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 3 ways as a sum of consecutive naturals, for example, 115303 + ... + 115360.

It is an arithmetic number, because the mean of its divisors is an integer number (1729980).

Almost surely, 2^6689227 is an apocalyptic number.

6689227 is a deficient number, since it is larger than the sum of its proper divisors (230693).

6689227 is a wasteful number, since it uses less digits than its factorization.

6689227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230692.

The product of its digits is 72576, while the sum is 40.

The square root of 6689227 is about 2586.3539974257. The cubic root of 6689227 is about 188.4192676114.

The spelling of 6689227 in words is "six million, six hundred eighty-nine thousand, two hundred twenty-seven".