6889255 has 4 divisors (see below), whose sum is σ = 8267112. Its totient is φ = 5511400.

The previous prime is 6889247. The next prime is 6889261. The reversal of 6889255 is 5529886.

6889255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6889255 - 2³ = 6889247 is a prime.

It is a Duffinian number.

6889255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 688921 + ... + 688930.

It is an arithmetic number, because the mean of its divisors is an integer number (2066778).

Almost surely, 2^6889255 is an apocalyptic number.

6889255 is a deficient number, since it is larger than the sum of its proper divisors (1377857).

6889255 is a wasteful number, since it uses less digits than its factorization.

6889255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377856.

The product of its digits is 172800, while the sum is 43.

The square root of 6889255 is about 2624.7390346471. The cubic root of 6889255 is about 190.2789531286.

The spelling of 6889255 in words is "six million, eight hundred eighty-nine thousand, two hundred fifty-five".