266272 has 24 divisors (see below), whose sum is σ = 537516. Its totient is φ = 129792.

The previous prime is 266269. The next prime is 266281. The reversal of 266272 is 272662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 266256 + 16 = 516^2 + 4^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618 + ... + 1774.

2²⁶⁶²⁷² 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 266272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268758).

266272 is an abundant number, since it is smaller than the sum of its proper divisors (271244).

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

266272 is a wasteful number, since it uses less digits than its factorization.

266272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 266272 is about 516.0155036431. The cubic root of 266272 is about 64.3341894225.

The spelling of 266272 in words is "two hundred sixty-six thousand, two hundred seventy-two".