6840008 has 24 divisors (see below), whose sum is σ = 14919750. Its totient is φ = 2931264.

The previous prime is 6839983. The next prime is 6840013. The reversal of 6840008 is 8000486.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 3161284 = 1918^2 + 1778^2 .

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 5 ways as a sum of consecutive naturals, for example, 8333 + ... + 9116.

Almost surely, 2^6840008 is an apocalyptic number.

It is an amenable number.

6840008 is an abundant number, since it is smaller than the sum of its proper divisors (8079742).

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

6840008 is a wasteful number, since it uses less digits than its factorization.

6840008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469 (or 17458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 6840008 is about 2615.3408955622. The cubic root of 6840008 is about 189.8244731662.

The spelling of 6840008 in words is "six million, eight hundred forty thousand, eight".