8004855 has 16 divisors (see below), whose sum is σ = 13050720. Its totient is φ = 4188288.

The previous prime is 8004853. The next prime is 8004869. The reversal of 8004855 is 5584008.

It is not a de Polignac number, because 8004855 - 2¹ = 8004853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8004853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4240 + ... + 5829.

It is an arithmetic number, because the mean of its divisors is an integer number (815670).

Almost surely, 2^8004855 is an apocalyptic number.

8004855 is a deficient number, since it is larger than the sum of its proper divisors (5045865).

8004855 is a wasteful number, since it uses less digits than its factorization.

8004855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8004855 is about 2829.2852454286. The cubic root of 8004855 is about 200.0404501517.

The spelling of 8004855 in words is "eight million, four thousand, eight hundred fifty-five".