6689085 has 16 divisors (see below), whose sum is σ = 11526144. Its totient is φ = 3292992.

The previous prime is 6689069. The next prime is 6689099. The reversal of 6689085 is 5809866.

6689085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6689085 - 2⁴ = 6689069 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 16957 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (720384).

Almost surely, 2^6689085 is an apocalyptic number.

6689085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6689085 is a deficient number, since it is larger than the sum of its proper divisors (4837059).

6689085 is a wasteful number, since it uses less digits than its factorization.

6689085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34324.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 6689085 is about 2586.3265455081. The cubic root of 6689085 is about 188.4179343370.

The spelling of 6689085 in words is "six million, six hundred eighty-nine thousand, eighty-five".