266934 has 16 divisors (see below), whose sum is σ = 565488. Its totient is φ = 83712.

The previous prime is 266933. The next prime is 266947. The reversal of 266934 is 439662.

266934 = 26² + 27² + ... + 93².

It is a d-powerful number, because it can be written as 2 + 6⁴ + 9 + 6⁴ + 3⁷ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (35343).

2²⁶⁶⁹³⁴ is an apocalyptic number.

266934 is an abundant number, since it is smaller than the sum of its proper divisors (298554).

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

266934 is a wasteful number, since it uses less digits than its factorization.

266934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its digits is 7776, while the sum is 30.

The square root of 266934 is about 516.6565590409. The cubic root of 266934 is about 64.3874607481.

The spelling of 266934 in words is "two hundred sixty-six thousand, nine hundred thirty-four".