872985 has 8 divisors (see below), whose sum is σ = 1396800. Its totient is φ = 465584.

The previous prime is 872959. The next prime is 872999. The reversal of 872985 is 589278.

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 872985 - 2⁵ = 872953 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8² + 7⁷ + 9³ + 2⁸ + 8⁵ + 5⁶ .

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

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 872985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29085 + ... + 29114.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2⁸⁷²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

872985 is a deficient number, since it is larger than the sum of its proper divisors (523815).

872985 is a wasteful number, since it uses less digits than its factorization.

872985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58207.

The product of its digits is 40320, while the sum is 39.

The square root of 872985 is about 934.3366630931. The cubic root of 872985 is about 95.5730825871.

The spelling of 872985 in words is "eight hundred seventy-two thousand, nine hundred eighty-five".