259930 has 32 divisors (see below), whose sum is σ = 544320. Its totient is φ = 88320.

The previous prime is 259907. The next prime is 259933. The reversal of 259930 is 39952.

259930 = 34² + 35² + ... + 93².

It is not an unprimeable number, because it can be changed into a prime (259933) by changing a digit.

259930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801 + ... + 1939.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²⁵⁹⁹³⁰ is an apocalyptic number.

259930 is an abundant number, since it is smaller than the sum of its proper divisors (284390).

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

259930 is a wasteful number, since it uses less digits than its factorization.

259930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 259930 is about 509.8333060913. The cubic root of 259930 is about 63.8193145860.

The spelling of 259930 in words is "two hundred fifty-nine thousand, nine hundred thirty".