6854664 has 16 divisors (see below), whose sum is σ = 17136720. Its totient is φ = 2284880.

The previous prime is 6854647. The next prime is 6854671. The reversal of 6854664 is 4664586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142782 + ... + 142829.

It is an arithmetic number, because the mean of its divisors is an integer number (1071045).

Almost surely, 2^6854664 is an apocalyptic number.

It is an amenable number.

6854664 is an abundant number, since it is smaller than the sum of its proper divisors (10282056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6854664 is a wasteful number, since it uses less digits than its factorization.

6854664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285620 (or 285616 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 6854664 is about 2618.1413254444. The cubic root of 6854664 is about 189.9599546260.

The spelling of 6854664 in words is "six million, eight hundred fifty-four thousand, six hundred sixty-four".