831214 has 4 divisors (see below), whose sum is σ = 1246824. Its totient is φ = 415606.

The previous prime is 831191. The next prime is 831217. The reversal of 831214 is 412138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412138 = 2 ⋅206069.

It is a junction number, because it is equal to n+sod(n) for n = 831191 and 831200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831217) by changing a digit.

831214 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207802 + ... + 207805.

It is an arithmetic number, because the mean of its divisors is an integer number (311706).

2⁸³¹²¹⁴ is an apocalyptic number.

831214 is a deficient number, since it is larger than the sum of its proper divisors (415610).

831214 is a wasteful number, since it uses less digits than its factorization.

831214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415609.

The product of its digits is 192, while the sum is 19.

The square root of 831214 is about 911.7093835209. The cubic root of 831214 is about 94.0237604037.

The spelling of 831214 in words is "eight hundred thirty-one thousand, two hundred fourteen".