439456 has 24 divisors (see below), whose sum is σ = 895104. Its totient is φ = 212160.

The previous prime is 439441. The next prime is 439459. The reversal of 439456 is 654934.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439459) 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, 771 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2⁴³⁹⁴⁵⁶ 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 439456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447552).

439456 is an abundant number, since it is smaller than the sum of its proper divisors (455648).

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

439456 is a wasteful number, since it uses less digits than its factorization.

439456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 476 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 439456 is about 662.9147758196. The cubic root of 439456 is about 76.0276907406.

The spelling of 439456 in words is "four hundred thirty-nine thousand, four hundred fifty-six".