266896 has 20 divisors (see below), whose sum is σ = 591232. Its totient is φ = 114336.

The previous prime is 266891. The next prime is 266897. The reversal of 266896 is 698662.

266896 = T₅ + T₆ + ... + T₁₁₆.

It is not an unprimeable number, because it can be changed into a prime (266891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 1303.

2²⁶⁶⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

266896 is an abundant number, since it is smaller than the sum of its proper divisors (324336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266896 is a wasteful number, since it uses less digits than its factorization.

266896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2392 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 266896 is about 516.6197828190. The cubic root of 266896 is about 64.3844052617.

The spelling of 266896 in words is "two hundred sixty-six thousand, eight hundred ninety-six".