850884340 has 48 divisors (see below), whose sum is σ = 1895784912. Its totient is φ = 319686656.

The previous prime is 850884337. The next prime is 850884341. The reversal of 850884340 is 43488058.

It can be written as a sum of positive squares in 8 ways, for example, as 32695524 + 818188816 = 5718^2 + 28604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 850884293 and 850884302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850884341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187134 + ... + 191626.

It is an arithmetic number, because the mean of its divisors is an integer number (39495519).

Almost surely, 2^850884340 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 850884340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947892456).

850884340 is an abundant number, since it is smaller than the sum of its proper divisors (1044900572).

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

850884340 is a wasteful number, since it uses less digits than its factorization.

850884340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076 (or 5074 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 850884340 is about 29169.9218373996. The cubic root of 850884340 is about 947.5966359482.

The spelling of 850884340 in words is "eight hundred fifty million, eight hundred eighty-four thousand, three hundred forty".