266467 has 4 divisors (see below), whose sum is σ = 269920. Its totient is φ = 263016.

The previous prime is 266449. The next prime is 266477. The reversal of 266467 is 764662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764662 = 2 ⋅382331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266417) 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 3 ways as a sum of consecutive naturals, for example, 1608 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (67480).

2²⁶⁶⁴⁶⁷ is an apocalyptic number.

266467 is a deficient number, since it is larger than the sum of its proper divisors (3453).

266467 is an equidigital number, since it uses as much as digits as its factorization.

266467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452.

The product of its digits is 12096, while the sum is 31.

The square root of 266467 is about 516.2044168738. The cubic root of 266467 is about 64.3498902920.

The spelling of 266467 in words is "two hundred sixty-six thousand, four hundred sixty-seven".