266244 has 24 divisors (see below), whose sum is σ = 678048. Its totient is φ = 80640.

The previous prime is 266239. The next prime is 266261. The reversal of 266244 is 442662.

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266244.

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 7 ways as a sum of consecutive naturals, for example, 877 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (28252).

2²⁶⁶²⁴⁴ is an apocalyptic number.

It is an amenable number.

266244 is an abundant number, since it is smaller than the sum of its proper divisors (411804).

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

266244 is a wasteful number, since it uses less digits than its factorization.

266244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2033 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 266244 is about 515.9883719620. The cubic root of 266244 is about 64.3319343093.

The spelling of 266244 in words is "two hundred sixty-six thousand, two hundred forty-four".