855118 has 16 divisors (see below), whose sum is σ = 1430784. Its totient is φ = 379960.

The previous prime is 855089. The next prime is 855119. The reversal of 855118 is 811558.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855119) by changing a digit.

855118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (89424).

2⁸⁵⁵¹¹⁸ is an apocalyptic number.

855118 is a deficient number, since it is larger than the sum of its proper divisors (575666).

855118 is a wasteful number, since it uses less digits than its factorization.

855118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 1600, while the sum is 28.

The square root of 855118 is about 924.7259053363. The cubic root of 855118 is about 94.9165657106.

The spelling of 855118 in words is "eight hundred fifty-five thousand, one hundred eighteen".