851116 has 24 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 360192.

The previous prime is 851113. The next prime is 851117. The reversal of 851116 is 611158.

It is not an unprimeable number, because it can be changed into a prime (851113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁸⁵¹¹¹⁶ is an apocalyptic number.

It is an amenable number.

851116 is an abundant number, since it is smaller than the sum of its proper divisors (872564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

851116 is a wasteful number, since it uses less digits than its factorization.

851116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 851116 is about 922.5594831771. The cubic root of 851116 is about 94.7682625041.

The spelling of 851116 in words is "eight hundred fifty-one thousand, one hundred sixteen".