259730 has 16 divisors (see below), whose sum is σ = 492480. Its totient is φ = 98352.

The previous prime is 259723. The next prime is 259733. The reversal of 259730 is 37952.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁷ + 7⁴ + 9 + 3¹¹ + 0 .

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 259730.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 259730.

It is not an unprimeable number, because it can be changed into a prime (259733) by changing a digit.

259730 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 494 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2²⁵⁹⁷³⁰ is an apocalyptic number.

259730 is a deficient number, since it is larger than the sum of its proper divisors (232750).

259730 is a wasteful number, since it uses less digits than its factorization.

259730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 259730 is about 509.6371258062. The cubic root of 259730 is about 63.8029420524.

It can be divided in two parts, 259 and 730, that added together give a palindrome (989).

The spelling of 259730 in words is "two hundred fifty-nine thousand, seven hundred thirty".