439982 has 8 divisors (see below), whose sum is σ = 664200. Its totient is φ = 218584.

The previous prime is 439981. The next prime is 439991. The reversal of 439982 is 289934.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (83025).

2⁴³⁹⁹⁸² is an apocalyptic number.

439982 is a deficient number, since it is larger than the sum of its proper divisors (224218).

439982 is a wasteful number, since it uses less digits than its factorization.

439982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410.

The product of its digits is 15552, while the sum is 35.

The square root of 439982 is about 663.3113899218. The cubic root of 439982 is about 76.0580120322.

The spelling of 439982 in words is "four hundred thirty-nine thousand, nine hundred eighty-two".