260855 has 16 divisors (see below), whose sum is σ = 371520. Its totient is φ = 172032.

The previous prime is 260849. The next prime is 260857. The reversal of 260855 is 558062.

260855 = T₁₈₆ + T₁₈₇ + ... + T₁₉₉.

It is not a de Polignac number, because 260855 - 2⁶ = 260791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2²⁶⁰⁸⁵⁵ is an apocalyptic number.

260855 is a deficient number, since it is larger than the sum of its proper divisors (110665).

260855 is a wasteful number, since it uses less digits than its factorization.

260855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 260855 is about 510.7396597093. The cubic root of 260855 is about 63.8949285056.

The spelling of 260855 in words is "two hundred sixty thousand, eight hundred fifty-five".