266476 has 24 divisors (see below), whose sum is σ = 551936. Its totient is φ = 110160.

The previous prime is 266449. The next prime is 266477. The reversal of 266476 is 674662.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (266477) 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 7 ways as a sum of consecutive naturals, for example, 715 + ... + 1021.

2²⁶⁶⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275968).

266476 is an abundant number, since it is smaller than the sum of its proper divisors (285460).

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

266476 is a wasteful number, since it uses less digits than its factorization.

266476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 347 counting only the distinct ones).

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

The square root of 266476 is about 516.2131342769. The cubic root of 266476 is about 64.3506147625.

The spelling of 266476 in words is "two hundred sixty-six thousand, four hundred seventy-six".