260185 has 8 divisors (see below), whose sum is σ = 330696. Its totient is φ = 195840.

The previous prime is 260179. The next prime is 260189. The reversal of 260185 is 581062.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 138384 = 349^2 + 372^2 .

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

It is not a de Polignac number, because 260185 - 2¹⁷ = 129113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (41337).

2²⁶⁰¹⁸⁵ is an apocalyptic number.

It is an amenable number.

260185 is a deficient number, since it is larger than the sum of its proper divisors (70511).

260185 is a wasteful number, since it uses less digits than its factorization.

260185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 260185 is about 510.0833265262. The cubic root of 260185 is about 63.8401773906.

The spelling of 260185 in words is "two hundred sixty thousand, one hundred eighty-five".