259938 has 24 divisors (see below), whose sum is σ = 643968. Its totient is φ = 74232.

The previous prime is 259937. The next prime is 259943. The reversal of 259938 is 839952.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (26832).

2²⁵⁹⁹³⁸ is an apocalyptic number.

259938 is an abundant number, since it is smaller than the sum of its proper divisors (384030).

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

259938 is a wasteful number, since it uses less digits than its factorization.

259938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2075 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 259938 is about 509.8411517326. The cubic root of 259938 is about 63.8199693126.

Adding to 259938 its product of digits (19440), we get a triangular number (279378 = T₇₄₇).

The spelling of 259938 in words is "two hundred fifty-nine thousand, nine hundred thirty-eight".