811268 has 6 divisors (see below), whose sum is σ = 1419726. Its totient is φ = 405632.

The previous prime is 811259. The next prime is 811273. The reversal of 811268 is 862118.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 158404 = 808^2 + 398^2 .

It is an unprimeable number.

811268 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 as a sum of consecutive naturals, namely, 101405 + ... + 101412.

It is an arithmetic number, because the mean of its divisors is an integer number (236621).

2⁸¹¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

811268 is a deficient number, since it is larger than the sum of its proper divisors (608458).

811268 is a wasteful number, since it uses less digits than its factorization.

811268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202821 (or 202819 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 811268 is about 900.7041689700. The cubic root of 811268 is about 93.2655914340.

The spelling of 811268 in words is "eight hundred eleven thousand, two hundred sixty-eight".