831417472 has 64 divisors (see below), whose sum is σ = 1739548800. Its totient is φ = 395265024.

The previous prime is 831417463. The next prime is 831417481. The reversal of 831417472 is 274714138.

It is an interprime number because it is at equal distance from previous prime (831417463) and next prime (831417481).

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247033 + ... + 250375.

It is an arithmetic number, because the mean of its divisors is an integer number (27180450).

Almost surely, 2^831417472 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 831417472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869774400).

831417472 is an abundant number, since it is smaller than the sum of its proper divisors (908131328).

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

831417472 is a wasteful number, since it uses less digits than its factorization.

831417472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453 (or 3441 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 831417472 is about 28834.3106732240. The cubic root of 831417472 is about 940.3143177023.

The spelling of 831417472 in words is "eight hundred thirty-one million, four hundred seventeen thousand, four hundred seventy-two".