850239936 has 224 divisors, whose sum is σ = 3076935680. Its totient is φ = 224197632.

The previous prime is 850239931. The next prime is 850239953. The reversal of 850239936 is 639932058.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 850239891 and 850239900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850239931) 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 31 ways as a sum of consecutive naturals, for example, 154545 + ... + 159951.

It is an arithmetic number, because the mean of its divisors is an integer number (13736320).

Almost surely, 2^850239936 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 850239936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538467840).

850239936 is an abundant number, since it is smaller than the sum of its proper divisors (2226695744).

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

850239936 is a wasteful number, since it uses less digits than its factorization.

850239936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448 (or 5432 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 850239936 is about 29158.8740523361. The cubic root of 850239936 is about 947.3573596837.

The spelling of 850239936 in words is "eight hundred fifty million, two hundred thirty-nine thousand, nine hundred thirty-six".