260586 has 24 divisors (see below), whose sum is σ = 584064. Its totient is φ = 83880.

The previous prime is 260581. The next prime is 260587. The reversal of 260586 is 685062.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (24336).

2²⁶⁰⁵⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292032).

260586 is an abundant number, since it is smaller than the sum of its proper divisors (323478).

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

260586 is a wasteful number, since it uses less digits than its factorization.

260586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 260586 is about 510.4762482232. The cubic root of 260586 is about 63.8729576184.

The spelling of 260586 in words is "two hundred sixty thousand, five hundred eighty-six".