259490 has 32 divisors (see below), whose sum is σ = 584064. Its totient is φ = 80640.
The previous prime is 259459. The next prime is 259499. The reversal of 259490 is 94952.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 259490.
It is not an unprimeable number, because it can be changed into a prime (259499) 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 15 ways as a sum of consecutive naturals, for example, 602 + ... + 938.
It is an arithmetic number, because the mean of its divisors is an integer number (18252).
2259490 is an apocalyptic number.
259490 is an abundant number, since it is smaller than the sum of its proper divisors (324574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
259490 is a wasteful number, since it uses less digits than its factorization.
259490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 259490 is about 509.4016097344. The cubic root of 259490 is about 63.7832839138.
The spelling of 259490 in words is "two hundred fifty-nine thousand, four hundred ninety".
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