870587 has 8 divisors (see below), whose sum is σ = 934416. Its totient is φ = 808192.

The previous prime is 870577. The next prime is 870589. The reversal of 870587 is 785078.

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

It is a cyclic number.

It is not a de Polignac number, because 870587 - 2¹⁰ = 869563 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870587.

It is not an unprimeable number, because it can be changed into a prime (870589) 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 7 ways as a sum of consecutive naturals, for example, 1103 + ... + 1719.

It is an arithmetic number, because the mean of its divisors is an integer number (116802).

2⁸⁷⁰⁵⁸⁷ is an apocalyptic number.

870587 is a deficient number, since it is larger than the sum of its proper divisors (63829).

870587 is a wasteful number, since it uses less digits than its factorization.

870587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 870587 is about 933.0525172786. The cubic root of 870587 is about 95.4854925287.

The spelling of 870587 in words is "eight hundred seventy thousand, five hundred eighty-seven".