8006855 has 4 divisors (see below), whose sum is σ = 9608232. Its totient is φ = 6405480.

The previous prime is 8006827. The next prime is 8006857. The reversal of 8006855 is 5586008.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8006855 - 2¹⁰ = 8005831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8006857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800681 + ... + 800690.

It is an arithmetic number, because the mean of its divisors is an integer number (2402058).

Almost surely, 2^8006855 is an apocalyptic number.

8006855 is a deficient number, since it is larger than the sum of its proper divisors (1601377).

8006855 is a wasteful number, since it uses less digits than its factorization.

8006855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601376.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 8006855 is about 2829.6386695124. The cubic root of 8006855 is about 200.0571086914.

The spelling of 8006855 in words is "eight million, six thousand, eight hundred fifty-five".