831481 has 12 divisors (see below), whose sum is σ = 984960. Its totient is φ = 699720.

The previous prime is 831461. The next prime is 831503. The reversal of 831481 is 184138.

It is not a de Polignac number, because 831481 - 2¹⁵ = 798713 is a prime.

It is a super-2 number, since 2×831481² = 1382721306722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3360 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2⁸³¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

831481 is a deficient number, since it is larger than the sum of its proper divisors (153479).

831481 is a wasteful number, since it uses less digits than its factorization.

831481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 831481 is about 911.8558000035. The cubic root of 831481 is about 94.0338266668.

The spelling of 831481 in words is "eight hundred thirty-one thousand, four hundred eighty-one".