829831242 has 32 divisors (see below), whose sum is σ = 1678989312. Its totient is φ = 273399984.

The previous prime is 829831241. The next prime is 829831271. The reversal of 829831242 is 242138928.

It is a self number, because there is not a number n which added to its sum of digits gives 829831242.

It is not an unprimeable number, because it can be changed into a prime (829831241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448363 + ... + 450209.

It is an arithmetic number, because the mean of its divisors is an integer number (52468416).

Almost surely, 2^829831242 is an apocalyptic number.

829831242 is an abundant number, since it is smaller than the sum of its proper divisors (849158070).

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

829831242 is a wasteful number, since it uses less digits than its factorization.

829831242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682.

The product of its digits is 55296, while the sum is 39.

The square root of 829831242 is about 28806.7915950388. The cubic root of 829831242 is about 939.7159402736.

The spelling of 829831242 in words is "eight hundred twenty-nine million, eight hundred thirty-one thousand, two hundred forty-two".