850320384 has 88 divisors (see below), whose sum is σ = 2327979408. Its totient is φ = 275742720.

The previous prime is 850320323. The next prime is 850320389. The reversal of 850320384 is 483023058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850320389) 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 7 ways as a sum of consecutive naturals, for example, 109924 + ... + 117404.

Almost surely, 2^850320384 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 850320384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163989704).

850320384 is an abundant number, since it is smaller than the sum of its proper divisors (1477659024).

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

850320384 is a wasteful number, since it uses less digits than its factorization.

850320384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 850320384 is about 29160.2534968405. The cubic root of 850320384 is about 947.3872377601.

The spelling of 850320384 in words is "eight hundred fifty million, three hundred twenty thousand, three hundred eighty-four".