266248 has 16 divisors (see below), whose sum is σ = 521280. Its totient is φ = 127248.

The previous prime is 266239. The next prime is 266261. The reversal of 266248 is 842662.

It is a d-powerful number, because it can be written as 2⁵ + 6³ + 2¹¹ + 6⁴ + 4⁹ + 8³ .

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, 540 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (32580).

266248 is a Friedman number, since it can be written as (86*6)^2-4*2, using all its digits and the basic arithmetic operations.

2²⁶⁶²⁴⁸ is an apocalyptic number.

It is an amenable number.

266248 is a deficient number, since it is larger than the sum of its proper divisors (255032).

266248 is a wasteful number, since it uses less digits than its factorization.

266248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1472 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 266248 is about 515.9922480038. The cubic root of 266248 is about 64.3322564780.

It can be divided in two parts, 2 and 66248, that multiplied together give a square (132496 = 364²).

The spelling of 266248 in words is "two hundred sixty-six thousand, two hundred forty-eight".