6840806 has 16 divisors (see below), whose sum is σ = 11764224. Its totient is φ = 2922504.

The previous prime is 6840797. The next prime is 6840811. The reversal of 6840806 is 6080486.

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 7 ways as a sum of consecutive naturals, for example, 5651 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (735264).

Almost surely, 2^6840806 is an apocalyptic number.

6840806 is a deficient number, since it is larger than the sum of its proper divisors (4923418).

6840806 is a wasteful number, since it uses less digits than its factorization.

6840806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6840806 is about 2615.4934524865. The cubic root of 6840806 is about 189.8318549333.

The spelling of 6840806 in words is "six million, eight hundred forty thousand, eight hundred six".