873985 has 8 divisors (see below), whose sum is σ = 1198656. Its totient is φ = 599280.

The previous prime is 873979. The next prime is 873989. The reversal of 873985 is 589378.

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

It is not a de Polignac number, because 873985 - 2¹⁷ = 742913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873989) 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, 12451 + ... + 12520.

It is an arithmetic number, because the mean of its divisors is an integer number (149832).

2⁸⁷³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

873985 is a deficient number, since it is larger than the sum of its proper divisors (324671).

873985 is a wasteful number, since it uses less digits than its factorization.

873985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24983.

The product of its digits is 60480, while the sum is 40.

The square root of 873985 is about 934.8716489444. The cubic root of 873985 is about 95.6095614930.

The spelling of 873985 in words is "eight hundred seventy-three thousand, nine hundred eighty-five".