6820008 has 32 divisors (see below), whose sum is σ = 18362400. Its totient is φ = 2098368.

The previous prime is 6820007. The next prime is 6820013. The reversal of 6820008 is 8000286.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6820008.

It is not an unprimeable number, because it can be changed into a prime (6820001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10618 + ... + 11241.

It is an arithmetic number, because the mean of its divisors is an integer number (573825).

Almost surely, 2^6820008 is an apocalyptic number.

It is an amenable number.

6820008 is an abundant number, since it is smaller than the sum of its proper divisors (11542392).

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

6820008 is a wasteful number, since it uses less digits than its factorization.

6820008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21881 (or 21877 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 6820008 is about 2611.5145031188. The cubic root of 6820008 is about 189.6392786574.

The spelling of 6820008 in words is "six million, eight hundred twenty thousand, eight".