266492 has 12 divisors (see below), whose sum is σ = 493920. Its totient is φ = 125376.

The previous prime is 266491. The next prime is 266521. The reversal of 266492 is 294662.

266492 = 179² + 180² + ... + 186².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

2²⁶⁶⁴⁹² is an apocalyptic number.

It is an amenable number.

266492 is a deficient number, since it is larger than the sum of its proper divisors (227428).

266492 is a wasteful number, since it uses less digits than its factorization.

266492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3938 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 266492 is about 516.2286315190. The cubic root of 266492 is about 64.3519026699.

The spelling of 266492 in words is "two hundred sixty-six thousand, four hundred ninety-two".