6809868 has 36 divisors (see below), whose sum is σ = 18539248. Its totient is φ = 2095200.

The previous prime is 6809851. The next prime is 6809893. The reversal of 6809868 is 8689086.

6809868 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6808 + ... + 7743.

Almost surely, 2^6809868 is an apocalyptic number.

It is an amenable number.

6809868 is an abundant number, since it is smaller than the sum of its proper divisors (11729380).

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

6809868 is a wasteful number, since it uses less digits than its factorization.

6809868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6809868 is about 2609.5723787625. The cubic root of 6809868 is about 189.5452467010.

The spelling of 6809868 in words is "six million, eight hundred nine thousand, eight hundred sixty-eight".