266862 has 16 divisors (see below), whose sum is σ = 541440. Its totient is φ = 87672.

The previous prime is 266839. The next prime is 266863. The reversal of 266862 is 268662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266863) 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, 193 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (33840).

2²⁶⁶⁸⁶² is an apocalyptic number.

266862 is an abundant number, since it is smaller than the sum of its proper divisors (274578).

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

266862 is a wasteful number, since it uses less digits than its factorization.

266862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its digits is 6912, while the sum is 30.

The square root of 266862 is about 516.5868755592. The cubic root of 266862 is about 64.3816711596.

It can be divided in two parts, 266 and 862, that added together give a triangular number (1128 = T₄₇).

The spelling of 266862 in words is "two hundred sixty-six thousand, eight hundred sixty-two".