260885 has 4 divisors (see below), whose sum is σ = 313068. Its totient is φ = 208704.

The previous prime is 260879. The next prime is 260893. The reversal of 260885 is 588062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28561 + 232324 = 169^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 260885 - 2⁸ = 260629 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26084 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (78267).

2²⁶⁰⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

260885 is a deficient number, since it is larger than the sum of its proper divisors (52183).

260885 is an equidigital number, since it uses as much as digits as its factorization.

260885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52182.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 260885 is about 510.7690280352. The cubic root of 260885 is about 63.8973778540.

The spelling of 260885 in words is "two hundred sixty thousand, eight hundred eighty-five".