6867189 has 24 divisors (see below), whose sum is σ = 11935040. Its totient is φ = 3716928.

The previous prime is 6867181. The next prime is 6867199. The reversal of 6867189 is 9817686.

It is a happy number.

6867189 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6867189 - 2³ = 6867181 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

6867189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1672 + ... + 4065.

Almost surely, 2^6867189 is an apocalyptic number.

It is an amenable number.

6867189 is a deficient number, since it is larger than the sum of its proper divisors (5067851).

6867189 is a wasteful number, since it uses less digits than its factorization.

6867189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769 (or 5766 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 6867189 is about 2620.5321978560. The cubic root of 6867189 is about 190.0755839630.

It can be divided in two parts, 6867 and 189, that added together give a square (7056 = 84²).

The spelling of 6867189 in words is "six million, eight hundred sixty-seven thousand, one hundred eighty-nine".