260385 has 8 divisors (see below), whose sum is σ = 416640. Its totient is φ = 138864.

The previous prime is 260363. The next prime is 260387. The reversal of 260385 is 583062.

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

It is not a de Polignac number, because 260385 - 2¹¹ = 258337 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (260387) 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, 8665 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2²⁶⁰³⁸⁵ is an apocalyptic number.

It is an amenable number.

260385 is a deficient number, since it is larger than the sum of its proper divisors (156255).

260385 is a wasteful number, since it uses less digits than its factorization.

260385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 260385 is about 510.2793352665. The cubic root of 260385 is about 63.8565308382.

The spelling of 260385 in words is "two hundred sixty thousand, three hundred eighty-five".