855183 has 16 divisors (see below), whose sum is σ = 1316096. Its totient is φ = 483840.

The previous prime is 855143. The next prime is 855187. The reversal of 855183 is 381558.

It is a happy number.

855183 is nontrivially palindromic in base 6.

855183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855183 - 2⁶ = 855119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855183.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 855183.

It is not an unprimeable number, because it can be changed into a prime (855187) 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, 3948 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (82256).

2⁸⁵⁵¹⁸³ is an apocalyptic number.

855183 is a deficient number, since it is larger than the sum of its proper divisors (460913).

855183 is a wasteful number, since it uses less digits than its factorization.

855183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its digits is 4800, while the sum is 30.

The square root of 855183 is about 924.7610502178. The cubic root of 855183 is about 94.9189706109.

The spelling of 855183 in words is "eight hundred fifty-five thousand, one hundred eighty-three".