266485 has 8 divisors (see below), whose sum is σ = 322560. Its totient is φ = 211344.

The previous prime is 266479. The next prime is 266489. The reversal of 266485 is 584662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266485 - 2³ = 266477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266489) 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, 996 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2²⁶⁶⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

266485 is a deficient number, since it is larger than the sum of its proper divisors (56075).

266485 is a wasteful number, since it uses less digits than its factorization.

266485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its digits is 11520, while the sum is 31.

The square root of 266485 is about 516.2218515328. The cubic root of 266485 is about 64.3513392168.

The spelling of 266485 in words is "two hundred sixty-six thousand, four hundred eighty-five".