266958 has 12 divisors (see below), whose sum is σ = 578448. Its totient is φ = 88980.

The previous prime is 266957. The next prime is 266971. The reversal of 266958 is 859662.

It is a d-powerful number, because it can be written as 2¹⁸ + 6 + 9² + 6 + 5⁴ + 8⁴ .

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7398 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (48204).

2²⁶⁶⁹⁵⁸ is an apocalyptic number.

266958 is an abundant number, since it is smaller than the sum of its proper divisors (311490).

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

266958 is a wasteful number, since it uses less digits than its factorization.

266958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14839 (or 14836 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 266958 is about 516.6797847797. The cubic root of 266958 is about 64.3893903796.

Subtracting 266958 from its reverse (859662), we obtain a cube (592704 = 84³).

The spelling of 266958 in words is "two hundred sixty-six thousand, nine hundred fifty-eight".