266746 has 8 divisors (see below), whose sum is σ = 410004. Its totient is φ = 130080.

The previous prime is 266719. The next prime is 266759. The reversal of 266746 is 647662.

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 1521 = 515^2 + 39^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

266746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545 + ... + 1708.

2²⁶⁶⁷⁴⁶ is an apocalyptic number.

266746 is a deficient number, since it is larger than the sum of its proper divisors (143258).

266746 is a wasteful number, since it uses less digits than its factorization.

266746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

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

The square root of 266746 is about 516.4745879518. The cubic root of 266746 is about 64.3723412984.

The spelling of 266746 in words is "two hundred sixty-six thousand, seven hundred forty-six".