260556 has 12 divisors (see below), whose sum is σ = 607992. Its totient is φ = 86848.

The previous prime is 260551. The next prime is 260569. The reversal of 260556 is 655062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 260556.

It is not an unprimeable number, because it can be changed into a prime (260551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10845 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (50666).

2²⁶⁰⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

260556 is an abundant number, since it is smaller than the sum of its proper divisors (347436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260556 is a wasteful number, since it uses less digits than its factorization.

260556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21720 (or 21718 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 260556 is about 510.4468630524. The cubic root of 260556 is about 63.8705063966.

The spelling of 260556 in words is "two hundred sixty thousand, five hundred fifty-six".