439344 has 60 divisors (see below), whose sum is σ = 1286376. Its totient is φ = 145152.

The previous prime is 439339. The next prime is 439349. The reversal of 439344 is 443934.

It is an interprime number because it is at equal distance from previous prime (439339) and next prime (439349).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (439349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3832 + ... + 3944.

2⁴³⁹³⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643188).

439344 is an abundant number, since it is smaller than the sum of its proper divisors (847032).

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

439344 is a wasteful number, since it uses less digits than its factorization.

439344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 439344 is about 662.8302950228. The cubic root of 439344 is about 76.0212313720.

The spelling of 439344 in words is "four hundred thirty-nine thousand, three hundred forty-four".