259838 has 4 divisors (see below), whose sum is σ = 389760. Its totient is φ = 129918.

The previous prime is 259837. The next prime is 259841. The reversal of 259838 is 838952.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 259798 and 259807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64958 + ... + 64961.

It is an arithmetic number, because the mean of its divisors is an integer number (97440).

2²⁵⁹⁸³⁸ is an apocalyptic number.

259838 is a deficient number, since it is larger than the sum of its proper divisors (129922).

259838 is a wasteful number, since it uses less digits than its factorization.

259838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129921.

The product of its digits is 17280, while the sum is 35.

The square root of 259838 is about 509.7430725375. The cubic root of 259838 is about 63.8117842640.

The spelling of 259838 in words is "two hundred fifty-nine thousand, eight hundred thirty-eight".