266336 has 48 divisors (see below), whose sum is σ = 635040. Its totient is φ = 107520.

The previous prime is 266333. The next prime is 266351. The reversal of 266336 is 633662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6476 + ... + 6516.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

2²⁶⁶³³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317520).

266336 is an abundant number, since it is smaller than the sum of its proper divisors (368704).

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

266336 is a wasteful number, since it uses less digits than its factorization.

266336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 79 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 266336 is about 516.0775135578. The cubic root of 266336 is about 64.3393433732.

Adding to 266336 its reverse (633662), we get a palindrome (899998).

The spelling of 266336 in words is "two hundred sixty-six thousand, three hundred thirty-six".