867266 has 4 divisors (see below), whose sum is σ = 1300902. Its totient is φ = 433632.

The previous prime is 867263. The next prime is 867271. The reversal of 867266 is 662768.

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

It can be written as a sum of positive squares in only one way, i.e., 863041 + 4225 = 929^2 + 65^2 .

It is a Curzon number.

It is a plaindrome in base 13.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (867263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216815 + ... + 216818.

2⁸⁶⁷²⁶⁶ is an apocalyptic number.

867266 is a deficient number, since it is larger than the sum of its proper divisors (433636).

867266 is a wasteful number, since it uses less digits than its factorization.

867266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433635.

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

The square root of 867266 is about 931.2711742559. The cubic root of 867266 is about 95.3639226771.

The spelling of 867266 in words is "eight hundred sixty-seven thousand, two hundred sixty-six".