443985 has 8 divisors (see below), whose sum is σ = 710400. Its totient is φ = 236784.

The previous prime is 443983. The next prime is 443987. The reversal of 443985 is 589344.

It is an interprime number because it is at equal distance from previous prime (443983) and next prime (443987).

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

It is not a de Polignac number, because 443985 - 2¹ = 443983 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 4⁹ + 9² + 3¹¹ + 8³ + 5 .

443985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (443983) 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, 14785 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (88800).

2⁴⁴³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

443985 is a deficient number, since it is larger than the sum of its proper divisors (266415).

443985 is a wasteful number, since it uses less digits than its factorization.

443985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29607.

The product of its digits is 17280, while the sum is 33.

The square root of 443985 is about 666.3219942340. The cubic root of 443985 is about 76.2879771403.

The spelling of 443985 in words is "four hundred forty-three thousand, nine hundred eighty-five".