831497472 has 432 divisors, whose sum is σ = 2892734208. Its totient is φ = 227082240.

The previous prime is 831497431. The next prime is 831497497. The reversal of 831497472 is 274794138.

831497472 is a `hidden beast` number, since 83 + 14 + 97 + 472 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11711197 + ... + 11711267.

It is an arithmetic number, because the mean of its divisors is an integer number (6696144).

Almost surely, 2^831497472 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 831497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446367104).

831497472 is an abundant number, since it is smaller than the sum of its proper divisors (2061236736).

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

831497472 is a wasteful number, since it uses less digits than its factorization.

831497472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 129 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 831497472 is about 28835.6978760702. The cubic root of 831497472 is about 940.3444761307.

The spelling of 831497472 in words is "eight hundred thirty-one million, four hundred ninety-seven thousand, four hundred seventy-two".