266833 has 4 divisors (see below), whose sum is σ = 304960. Its totient is φ = 228708.

The previous prime is 266821. The next prime is 266837. The reversal of 266833 is 338662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266833 - 2⁵ = 266801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19053 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (76240).

2²⁶⁶⁸³³ is an apocalyptic number.

It is an amenable number.

266833 is a deficient number, since it is larger than the sum of its proper divisors (38127).

266833 is an equidigital number, since it uses as much as digits as its factorization.

266833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38126.

The product of its digits is 5184, while the sum is 28.

The square root of 266833 is about 516.5588059457. The cubic root of 266833 is about 64.3793389478.

It can be divided in two parts, 2668 and 33, that added together give a triangular number (2701 = T₇₃).

The spelling of 266833 in words is "two hundred sixty-six thousand, eight hundred thirty-three".