259860 has 48 divisors (see below), whose sum is σ = 749952. Its totient is φ = 67200.

The previous prime is 259841. The next prime is 259867. The reversal of 259860 is 68952.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259867) 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 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2²⁵⁹⁸⁶⁰ is an apocalyptic number.

259860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374976).

259860 is an abundant number, since it is smaller than the sum of its proper divisors (490092).

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

259860 is a wasteful number, since it uses less digits than its factorization.

259860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 259860 is about 509.7646515795. The cubic root of 259860 is about 63.8135851549.

The spelling of 259860 in words is "two hundred fifty-nine thousand, eight hundred sixty".