6889219 has 2 divisors, whose sum is σ = 6889220. Its totient is φ = 6889218.

The previous prime is 6889217. The next prime is 6889241. The reversal of 6889219 is 9129886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6889219 - 2¹ = 6889217 is a prime.

It is a super-2 number, since 2×6889219² = 94922676859922, which contains 22 as substring.

Together with 6889217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6889217) 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 as a sum of consecutive naturals, namely, 3444609 + 3444610.

It is an arithmetic number, because the mean of its divisors is an integer number (3444610).

Almost surely, 2^6889219 is an apocalyptic number.

6889219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889219 is an equidigital number, since it uses as much as digits as its factorization.

6889219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 6889219 is about 2624.7321768135. The cubic root of 6889219 is about 190.2786216920.

The spelling of 6889219 in words is "six million, eight hundred eighty-nine thousand, two hundred nineteen".