850838418 has 20 divisors (see below), whose sum is σ = 1906508670. Its totient is φ = 283612752.

The previous prime is 850838399. The next prime is 850838419. The reversal of 850838418 is 814838058.

850838418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 499388409 + 351450009 = 22347^2 + 18747^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (850838419) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2625883 + ... + 2626206.

Almost surely, 2^850838418 is an apocalyptic number.

850838418 is an abundant number, since it is smaller than the sum of its proper divisors (1055670252).

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

850838418 is a wasteful number, since it uses less digits than its factorization.

850838418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252103 (or 5252094 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 850838418 is about 29169.1346803432. The cubic root of 850838418 is about 947.5795884626.

The spelling of 850838418 in words is "eight hundred fifty million, eight hundred thirty-eight thousand, four hundred eighteen".