439980 has 24 divisors (see below), whose sum is σ = 1232112. Its totient is φ = 117312.

The previous prime is 439973. The next prime is 439981. The reversal of 439980 is 89934.

It is not an unprimeable number, because it can be changed into a prime (439981) 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, 3607 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (51338).

2⁴³⁹⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

439980 is an abundant number, since it is smaller than the sum of its proper divisors (792132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439980 is a wasteful number, since it uses less digits than its factorization.

439980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7343 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 439980 is about 663.3098823325. The cubic root of 439980 is about 76.0578967879.

The spelling of 439980 in words is "four hundred thirty-nine thousand, nine hundred eighty".