266867 has 2 divisors, whose sum is σ = 266868. Its totient is φ = 266866.

The previous prime is 266863. The next prime is 266891. The reversal of 266867 is 768662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266867 - 2² = 266863 is a prime.

It is not a weakly prime, because it can be changed into another prime (266863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133433 + 133434.

It is an arithmetic number, because the mean of its divisors is an integer number (133434).

2²⁶⁶⁸⁶⁷ is an apocalyptic number.

266867 is a deficient number, since it is larger than the sum of its proper divisors (1).

266867 is an equidigital number, since it uses as much as digits as its factorization.

266867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 266867 is about 516.5917149936. The cubic root of 266867 is about 64.3820732480.

The spelling of 266867 in words is "two hundred sixty-six thousand, eight hundred sixty-seven".