855884 has 12 divisors (see below), whose sum is σ = 1538544. Its totient is φ = 416304.

The previous prime is 855863. The next prime is 855887. The reversal of 855884 is 488558.

855884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 855884.

It is not an unprimeable number, because it can be changed into a prime (855887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (128212).

2⁸⁵⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

855884 is a deficient number, since it is larger than the sum of its proper divisors (682660).

855884 is a wasteful number, since it uses less digits than its factorization.

855884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5822 counting only the distinct ones).

The product of its digits is 51200, while the sum is 38.

The square root of 855884 is about 925.1399894070. The cubic root of 855884 is about 94.9448987947.

The spelling of 855884 in words is "eight hundred fifty-five thousand, eight hundred eighty-four".