Subtracting from 851180 its product of nonzero digits (320), we obtain a triangular number (850860 = T1304).
It is an unprimeable number.
2851180 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 851180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
851180 is a wasteful number, since it uses less digits than its factorization.
851180 is an odious number, because the sum of its binary digits is odd.
The square root of 851180 is about 922.5941686354. The cubic root of 851180 is about 94.7706378234.
The spelling of 851180 in words is "eight hundred fifty-one thousand, one hundred eighty".