851846912 has 144 divisors (see below), whose sum is σ = 2072125440. Its totient is φ = 341397504.

The previous prime is 851846909. The next prime is 851846927. The reversal of 851846912 is 219648158.

It is a super-2 number, since 2×851846912² = 1451286322967871488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable 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 in 15 ways as a sum of consecutive naturals, for example, 4323998 + ... + 4324194.

It is an arithmetic number, because the mean of its divisors is an integer number (14389760).

Almost surely, 2^851846912 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 851846912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036062720).

851846912 is an abundant number, since it is smaller than the sum of its proper divisors (1220278528).

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

851846912 is a wasteful number, since it uses less digits than its factorization.

851846912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 352 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 851846912 is about 29186.4165666154. The cubic root of 851846912 is about 947.9538275624.

The spelling of 851846912 in words is "eight hundred fifty-one million, eight hundred forty-six thousand, nine hundred twelve".