831458961 has 6 divisors (see below), whose sum is σ = 1200996290. Its totient is φ = 554305968.

The previous prime is 831458921. The next prime is 831458987. The reversal of 831458961 is 169854138.

831458961 is a `hidden beast` number, since 8 + 3 + 1 + 4 + 589 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 657614736 + 173844225 = 25644^2 + 13185^2 .

It is not a de Polignac number, because 831458961 - 2⁶ = 831458897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831458911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46192156 + ... + 46192173.

Almost surely, 2^831458961 is an apocalyptic number.

It is an amenable number.

831458961 is a deficient number, since it is larger than the sum of its proper divisors (369537329).

831458961 is a wasteful number, since it uses less digits than its factorization.

831458961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92384335 (or 92384332 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 831458961 is about 28835.0301022905. The cubic root of 831458961 is about 940.3299584817.

The spelling of 831458961 in words is "eight hundred thirty-one million, four hundred fifty-eight thousand, nine hundred sixty-one".