847085394 has 16 divisors (see below), whose sum is σ = 1696049568. Its totient is φ = 282048672.

The previous prime is 847085353. The next prime is 847085399. The reversal of 847085394 is 493580748.

It is not an unprimeable number, because it can be changed into a prime (847085399) 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 7 ways as a sum of consecutive naturals, for example, 72387 + ... + 83270.

It is an arithmetic number, because the mean of its divisors is an integer number (106003098).

Almost surely, 2^847085394 is an apocalyptic number.

847085394 is an abundant number, since it is smaller than the sum of its proper divisors (848964174).

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

847085394 is a wasteful number, since it uses less digits than its factorization.

847085394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156569.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 847085394 is about 29104.7314710169. The cubic root of 847085394 is about 946.1842860527.

The spelling of 847085394 in words is "eight hundred forty-seven million, eighty-five thousand, three hundred ninety-four".