266894 has 4 divisors (see below), whose sum is σ = 400344. Its totient is φ = 133446.

The previous prime is 266891. The next prime is 266897. The reversal of 266894 is 498662.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (266891) and next prime (266897).

It is a congruent number.

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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66722 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (100086).

2²⁶⁶⁸⁹⁴ is an apocalyptic number.

266894 is a deficient number, since it is larger than the sum of its proper divisors (133450).

266894 is a wasteful number, since it uses less digits than its factorization.

266894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133449.

The product of its digits is 20736, while the sum is 35.

The square root of 266894 is about 516.6178471559. The cubic root of 266894 is about 64.3842444386.

The spelling of 266894 in words is "two hundred sixty-six thousand, eight hundred ninety-four".