259426 has 8 divisors (see below), whose sum is σ = 409680. Its totient is φ = 122868.

The previous prime is 259421. The next prime is 259429. The reversal of 259426 is 624952.

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

It is a junction number, because it is equal to n+sod(n) for n = 259394 and 259403.

It is not an unprimeable number, because it can be changed into a prime (259421) 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 3 ways as a sum of consecutive naturals, for example, 3376 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (51210).

2²⁵⁹⁴²⁶ is an apocalyptic number.

259426 is a deficient number, since it is larger than the sum of its proper divisors (150254).

259426 is a wasteful number, since it uses less digits than its factorization.

259426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848.

The product of its digits is 4320, while the sum is 28.

The square root of 259426 is about 509.3387870563. The cubic root of 259426 is about 63.7780396965.

The spelling of 259426 in words is "two hundred fifty-nine thousand, four hundred twenty-six".