831847242 has 16 divisors (see below), whose sum is σ = 1717362432. Its totient is φ = 268337760.

The previous prime is 831847241. The next prime is 831847259. The reversal of 831847242 is 242748138.

It is a self number, because there is not a number n which added to its sum of digits gives 831847242.

It is not an unprimeable number, because it can be changed into a prime (831847241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235963 + ... + 2236334.

It is an arithmetic number, because the mean of its divisors is an integer number (107335152).

Almost surely, 2^831847242 is an apocalyptic number.

831847242 is an abundant number, since it is smaller than the sum of its proper divisors (885515190).

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

831847242 is a wasteful number, since it uses less digits than its factorization.

831847242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472333.

The product of its digits is 86016, while the sum is 39.

The square root of 831847242 is about 28841.7621167639. The cubic root of 831847242 is about 940.4763098369.

The spelling of 831847242 in words is "eight hundred thirty-one million, eight hundred forty-seven thousand, two hundred forty-two".