831260 has 24 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 328064.

The previous prime is 831253. The next prime is 831287. The reversal of 831260 is 62138.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

831260 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2⁸³¹²⁶⁰ is an apocalyptic number.

It is an amenable number.

831260 is an abundant number, since it is smaller than the sum of its proper divisors (937780).

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

831260 is a wasteful number, since it uses less digits than its factorization.

831260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 831260 is about 911.7346105090. The cubic root of 831260 is about 94.0254948200.

Adding to 831260 its reverse (62138), we get a palindrome (893398).

The spelling of 831260 in words is "eight hundred thirty-one thousand, two hundred sixty".