850804344 has 256 divisors, whose sum is σ = 2757888000. Its totient is φ = 240744960.

The previous prime is 850804333. The next prime is 850804351. The reversal of 850804344 is 443408058.

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

It is a junction number, because it is equal to n+sod(n) for n = 850804299 and 850804308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1973809 + ... + 1974239.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^850804344 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 850804344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944000).

850804344 is an abundant number, since it is smaller than the sum of its proper divisors (1907083656).

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

850804344 is a wasteful number, since it uses less digits than its factorization.

850804344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 850804344 is about 29168.5505982042. The cubic root of 850804344 is about 947.5669388779.

The spelling of 850804344 in words is "eight hundred fifty million, eight hundred four thousand, three hundred forty-four".