266950 has 24 divisors (see below), whose sum is σ = 524520. Its totient is φ = 100800.

The previous prime is 266947. The next prime is 266953. The reversal of 266950 is 59662.

It is an interprime number because it is at equal distance from previous prime (266947) and next prime (266953).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266953) 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 in 11 ways as a sum of consecutive naturals, for example, 810 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (21855).

2²⁶⁶⁹⁵⁰ is an apocalyptic number.

266950 is a deficient number, since it is larger than the sum of its proper divisors (257570).

266950 is a wasteful number, since it uses less digits than its factorization.

266950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 266950 is about 516.6720429828. The cubic root of 266950 is about 64.3887471819.

The spelling of 266950 in words is "two hundred sixty-six thousand, nine hundred fifty".