850536940 has 72 divisors (see below), whose sum is σ = 2018448432. Its totient is φ = 298556160.

The previous prime is 850536917. The next prime is 850536949. The reversal of 850536940 is 49635058.

850536940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 850536893 and 850536902.

It is not an unprimeable number, because it can be changed into a prime (850536949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182722 + ... + 187318.

It is an arithmetic number, because the mean of its divisors is an integer number (28034006).

Almost surely, 2^850536940 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 850536940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009224216).

850536940 is an abundant number, since it is smaller than the sum of its proper divisors (1167911492).

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

850536940 is a wasteful number, since it uses less digits than its factorization.

850536940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 850536940 is about 29163.9664654861. The cubic root of 850536940 is about 947.4676564589.

The spelling of 850536940 in words is "eight hundred fifty million, five hundred thirty-six thousand, nine hundred forty".