259996 has 24 divisors (see below), whose sum is σ = 524160. Its totient is φ = 111600.

The previous prime is 259993. The next prime is 260003. The reversal of 259996 is 699952.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 259996.

It is not an unprimeable number, because it can be changed into a prime (259991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 681 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2²⁵⁹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

259996 is an abundant number, since it is smaller than the sum of its proper divisors (264164).

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

259996 is a wasteful number, since it uses less digits than its factorization.

259996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 259996 is about 509.8980290215. The cubic root of 259996 is about 63.8247156790.

The spelling of 259996 in words is "two hundred fifty-nine thousand, nine hundred ninety-six".