831248 has 20 divisors (see below), whose sum is σ = 1757328. Its totient is φ = 377760.

The previous prime is 831239. The next prime is 831253. The reversal of 831248 is 842138.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 831248.

It is an unprimeable number.

831248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186 + ... + 2537.

2⁸³¹²⁴⁸ is an apocalyptic number.

831248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

831248 is an abundant number, since it is smaller than the sum of its proper divisors (926080).

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

831248 is a wasteful number, since it uses less digits than its factorization.

831248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4736 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 831248 is about 911.7280296229. The cubic root of 831248 is about 94.0250423697.

It can be divided in two parts, 83 and 1248, that added together give a palindrome (1331).

The spelling of 831248 in words is "eight hundred thirty-one thousand, two hundred forty-eight".