266474 has 16 divisors (see below), whose sum is σ = 443688. Its totient is φ = 119232.

The previous prime is 266449. The next prime is 266477. The reversal of 266474 is 474662.

It can be written as a sum of positive squares in 4 ways, for example, as 196249 + 70225 = 443^2 + 265^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824 + ... + 1100.

2²⁶⁶⁴⁷⁴ is an apocalyptic number.

266474 is a deficient number, since it is larger than the sum of its proper divisors (177214).

266474 is a wasteful number, since it uses less digits than its factorization.

266474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its digits is 8064, while the sum is 29.

The square root of 266474 is about 516.2111970889. The cubic root of 266474 is about 64.3504537705.

It can be divided in two parts, 2664 and 74, that multiplied together give a square (197136 = 444²).

The spelling of 266474 in words is "two hundred sixty-six thousand, four hundred seventy-four".