851103936 has 140 divisors (see below), whose sum is σ = 2656032280. Its totient is φ = 268738560.

The previous prime is 851103931. The next prime is 851103949. The reversal of 851103936 is 639301158.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 851103936.

It is not an unprimeable number, because it can be changed into a prime (851103931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94176 + ... + 102816.

Almost surely, 2^851103936 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 851103936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328016140).

851103936 is an abundant number, since it is smaller than the sum of its proper divisors (1804928344).

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

851103936 is a wasteful number, since it uses less digits than its factorization.

851103936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684 (or 8665 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 851103936 is about 29173.6856773360. The cubic root of 851103936 is about 947.6781474308.

The spelling of 851103936 in words is "eight hundred fifty-one million, one hundred three thousand, nine hundred thirty-six".