850880394 has 72 divisors (see below), whose sum is σ = 2309563620. Its totient is φ = 224404992.

The previous prime is 850880383. The next prime is 850880417. The reversal of 850880394 is 493088058.

It can be written as a sum of positive squares in 2 ways, for example, as 833765625 + 17114769 = 28875^2 + 4137^2 .

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 35 ways as a sum of consecutive naturals, for example, 25639 + ... + 48570.

Almost surely, 2^850880394 is an apocalyptic number.

850880394 is an abundant number, since it is smaller than the sum of its proper divisors (1458683226).

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

850880394 is a wasteful number, since it uses less digits than its factorization.

850880394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74244 (or 74234 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 850880394 is about 29169.8541991557. The cubic root of 850880394 is about 947.5951711106.

The spelling of 850880394 in words is "eight hundred fifty million, eight hundred eighty thousand, three hundred ninety-four".