851108 has 6 divisors (see below), whose sum is σ = 1489446. Its totient is φ = 425552.

The previous prime is 851093. The next prime is 851113. The reversal of 851108 is 801158.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 1024 = 922^2 + 32^2 .

It is an unprimeable number.

851108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106385 + ... + 106392.

It is an arithmetic number, because the mean of its divisors is an integer number (248241).

2⁸⁵¹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

851108 is a deficient number, since it is larger than the sum of its proper divisors (638338).

851108 is a wasteful number, since it uses less digits than its factorization.

851108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212781 (or 212779 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 851108 is about 922.5551474031. Note that the first 3 decimals coincide. The cubic root of 851108 is about 94.7679655808.

It can be divided in two parts, 851 and 108, that added together give a palindrome (959).

The spelling of 851108 in words is "eight hundred fifty-one thousand, one hundred eight".