259698 has 8 divisors (see below), whose sum is σ = 519408. Its totient is φ = 86564.

The previous prime is 259697. The next prime is 259717. The reversal of 259698 is 896952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

259698 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (259691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21636 + ... + 21647.

It is an arithmetic number, because the mean of its divisors is an integer number (64926).

2²⁵⁹⁶⁹⁸ is an apocalyptic number.

259698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

259698 is a wasteful number, since it uses less digits than its factorization.

259698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43288.

The product of its digits is 38880, while the sum is 39.

The square root of 259698 is about 509.6057299521. The cubic root of 259698 is about 63.8003216671.

The spelling of 259698 in words is "two hundred fifty-nine thousand, six hundred ninety-eight".