259660 has 12 divisors (see below), whose sum is σ = 545328. Its totient is φ = 103856.

The previous prime is 259657. The next prime is 259667. The reversal of 259660 is 66952.

It is not an unprimeable number, because it can be changed into a prime (259667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6472 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (45444).

2²⁵⁹⁶⁶⁰ is an apocalyptic number.

259660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259660 is an abundant number, since it is smaller than the sum of its proper divisors (285668).

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

259660 is a wasteful number, since it uses less digits than its factorization.

259660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992 (or 12990 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 259660 is about 509.5684448629. The cubic root of 259660 is about 63.7972096800.

It can be divided in two parts, 259 and 660, that added together give a palindrome (919).

The spelling of 259660 in words is "two hundred fifty-nine thousand, six hundred sixty".