6889169 has 4 divisors (see below), whose sum is σ = 7873344. Its totient is φ = 5904996.

The previous prime is 6889151. The next prime is 6889171. The reversal of 6889169 is 9619886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9619886 = 2 ⋅4809943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889169 is a prime.

It is a super-2 number, since 2×6889169² = 94921299021122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6889969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492077 + ... + 492090.

It is an arithmetic number, because the mean of its divisors is an integer number (1968336).

Almost surely, 2^6889169 is an apocalyptic number.

It is an amenable number.

6889169 is a deficient number, since it is larger than the sum of its proper divisors (984175).

6889169 is an equidigital number, since it uses as much as digits as its factorization.

6889169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984174.

The product of its digits is 186624, while the sum is 47.

The square root of 6889169 is about 2624.7226520149. The cubic root of 6889169 is about 190.2781613614.

It can be divided in two parts, 6889 and 169, that multiplied together give a square (1164241 = 1079²).

The spelling of 6889169 in words is "six million, eight hundred eighty-nine thousand, one hundred sixty-nine".