259890 has 16 divisors (see below), whose sum is σ = 623808. Its totient is φ = 69296.

The previous prime is 259867. The next prime is 259907. The reversal of 259890 is 98952.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 259890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (38988).

2²⁵⁹⁸⁹⁰ is an apocalyptic number.

259890 is an abundant number, since it is smaller than the sum of its proper divisors (363918).

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

259890 is a wasteful number, since it uses less digits than its factorization.

259890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 259890 is about 509.7940760739. The cubic root of 259890 is about 63.8160407513.

The spelling of 259890 in words is "two hundred fifty-nine thousand, eight hundred ninety".