851960 has 48 divisors (see below), whose sum is σ = 2057400. Its totient is φ = 317376.

The previous prime is 851957. The next prime is 851971. The reversal of 851960 is 69158.

It is a zygodrome in base 2.

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 851960.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14411 + ... + 14469.

2⁸⁵¹⁹⁶⁰ 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 851960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028700).

851960 is an abundant number, since it is smaller than the sum of its proper divisors (1205440).

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

851960 is a wasteful number, since it uses less digits than its factorization.

851960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 851960 is about 923.0167929133. The cubic root of 851960 is about 94.7995774637.

The spelling of 851960 in words is "eight hundred fifty-one thousand, nine hundred sixty".