831382452 has 144 divisors (see below), whose sum is σ = 2240784000. Its totient is φ = 259580160.

The previous prime is 831382451. The next prime is 831382457. The reversal of 831382452 is 254283138.

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 (831382451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5579674 + ... + 5579822.

It is an arithmetic number, because the mean of its divisors is an integer number (15561000).

Almost surely, 2^831382452 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 831382452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120392000).

831382452 is an abundant number, since it is smaller than the sum of its proper divisors (1409401548).

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

831382452 is a wasteful number, since it uses less digits than its factorization.

831382452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 831382452 is about 28833.7034041762. The cubic root of 831382452 is about 940.3011152415.

The spelling of 831382452 in words is "eight hundred thirty-one million, three hundred eighty-two thousand, four hundred fifty-two".