831266 has 16 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 373824.

The previous prime is 831253. The next prime is 831287. The reversal of 831266 is 662138.

831266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2⁸³¹²⁶⁶ is an apocalyptic number.

831266 is a deficient number, since it is larger than the sum of its proper divisors (547678).

831266 is a wasteful number, since it uses less digits than its factorization.

831266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its digits is 1728, while the sum is 26.

The square root of 831266 is about 911.7379009343. The cubic root of 831266 is about 94.0257210434.

The spelling of 831266 in words is "eight hundred thirty-one thousand, two hundred sixty-six".