985587 has 8 divisors (see below), whose sum is σ = 1383360. Its totient is φ = 622440.

The previous prime is 985571. The next prime is 985597. The reversal of 985587 is 785589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 985587 - 2⁴ = 985571 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985587.

It is not an unprimeable number, because it can be changed into a prime (985547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8589 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (172920).

2⁹⁸⁵⁵⁸⁷ is an apocalyptic number.

985587 is a deficient number, since it is larger than the sum of its proper divisors (397773).

985587 is a wasteful number, since it uses less digits than its factorization.

985587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17313.

The product of its digits is 100800, while the sum is 42.

The square root of 985587 is about 992.7673443461. The cubic root of 985587 is about 99.5172398433.

The spelling of 985587 in words is "nine hundred eighty-five thousand, five hundred eighty-seven".