847438974 has 12 divisors (see below), whose sum is σ = 1836117816. Its totient is φ = 282479652.

The previous prime is 847438973. The next prime is 847438997. The reversal of 847438974 is 479834748.

847438974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 847438974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847438973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23539954 + ... + 23539989.

It is an arithmetic number, because the mean of its divisors is an integer number (153009818).

Almost surely, 2^847438974 is an apocalyptic number.

847438974 is an abundant number, since it is smaller than the sum of its proper divisors (988678842).

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

847438974 is a wasteful number, since it uses less digits than its factorization.

847438974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47079951 (or 47079948 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 847438974 is about 29110.8051073824. The cubic root of 847438974 is about 946.3159159548.

The spelling of 847438974 in words is "eight hundred forty-seven million, four hundred thirty-eight thousand, nine hundred seventy-four".