6989223 has 8 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 4653368.

The previous prime is 6989219. The next prime is 6989233. The reversal of 6989223 is 3229896.

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

It is a cyclic number.

It is not a de Polignac number, because 6989223 - 2² = 6989219 is a prime.

6989223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1166400).

Almost surely, 2^6989223 is an apocalyptic number.

6989223 is a deficient number, since it is larger than the sum of its proper divisors (2341977).

6989223 is a wasteful number, since it uses less digits than its factorization.

6989223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its digits is 46656, while the sum is 39.

The square root of 6989223 is about 2643.7138650013. The cubic root of 6989223 is about 191.1948980478.

The spelling of 6989223 in words is "six million, nine hundred eighty-nine thousand, two hundred twenty-three".