439384 has 16 divisors (see below), whose sum is σ = 898920. Its totient is φ = 199680.

The previous prime is 439381. The next prime is 439409. The reversal of 439384 is 483934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439381) 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, 2409 + ... + 2584.

2⁴³⁹³⁸⁴ is an apocalyptic number.

439384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

439384 is an abundant number, since it is smaller than the sum of its proper divisors (459536).

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

439384 is a wasteful number, since it uses less digits than its factorization.

439384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010 (or 5006 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 439384 is about 662.8604679720. The cubic root of 439384 is about 76.0235384154.

The spelling of 439384 in words is "four hundred thirty-nine thousand, three hundred eighty-four".