987259 has 16 divisors (see below), whose sum is σ = 1281280. Its totient is φ = 738720.

The previous prime is 987251. The next prime is 987293. The reversal of 987259 is 952789.

It is not a de Polignac number, because 987259 - 2³ = 987251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (987251) 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, 1444 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

2⁹⁸⁷²⁵⁹ is an apocalyptic number.

987259 is a deficient number, since it is larger than the sum of its proper divisors (294021).

987259 is a wasteful number, since it uses less digits than its factorization.

987259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 45360, while the sum is 40.

The square root of 987259 is about 993.6090780584. The cubic root of 987259 is about 99.5734834224.

The spelling of 987259 in words is "nine hundred eighty-seven thousand, two hundred fifty-nine".