260685 has 16 divisors (see below), whose sum is σ = 463680. Its totient is φ = 138960.

The previous prime is 260677. The next prime is 260713. The reversal of 260685 is 586062.

It is not a de Polignac number, because 260685 - 2³ = 260677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2²⁶⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

260685 is a deficient number, since it is larger than the sum of its proper divisors (202995).

260685 is a wasteful number, since it uses less digits than its factorization.

260685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 260685 is about 510.5732072877. The cubic root of 260685 is about 63.8810453159.

The spelling of 260685 in words is "two hundred sixty thousand, six hundred eighty-five".