831841272 has 64 divisors (see below), whose sum is σ = 2338560000. Its totient is φ = 273933792.

The previous prime is 831841271. The next prime is 831841301. The reversal of 831841272 is 272148138.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831841271) 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, 5272 + ... + 41127.

It is an arithmetic number, because the mean of its divisors is an integer number (36540000).

Almost surely, 2^831841272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831841272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169280000).

831841272 is an abundant number, since it is smaller than the sum of its proper divisors (1506718728).

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

831841272 is a wasteful number, since it uses less digits than its factorization.

831841272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497 (or 46487 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 831841272 is about 28841.6586208214. The cubic root of 831841272 is about 940.4740599618.

The spelling of 831841272 in words is "eight hundred thirty-one million, eight hundred forty-one thousand, two hundred seventy-two".