260086 has 4 divisors (see below), whose sum is σ = 390132. Its totient is φ = 130042.

The previous prime is 260081. The next prime is 260089. The reversal of 260086 is 680062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680062 = 2 ⋅340031.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65020 + ... + 65023.

It is an arithmetic number, because the mean of its divisors is an integer number (97533).

2²⁶⁰⁰⁸⁶ is an apocalyptic number.

260086 is a deficient number, since it is larger than the sum of its proper divisors (130046).

260086 is a wasteful number, since it uses less digits than its factorization.

260086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130045.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 260086 is about 509.9862743251. The cubic root of 260086 is about 63.8320793330.

The spelling of 260086 in words is "two hundred sixty thousand, eighty-six".