6820006 has 16 divisors (see below), whose sum is σ = 10749024. Its totient is φ = 3239104.

The previous prime is 6820001. The next prime is 6820007. The reversal of 6820006 is 6000286.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7530 + ... + 8386.

It is an arithmetic number, because the mean of its divisors is an integer number (671814).

Almost surely, 2^6820006 is an apocalyptic number.

6820006 is a deficient number, since it is larger than the sum of its proper divisors (3929018).

6820006 is a wasteful number, since it uses less digits than its factorization.

6820006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6820006 is about 2611.5141201992. The cubic root of 6820006 is about 189.6392601199.

The spelling of 6820006 in words is "six million, eight hundred twenty thousand, six".