439449 has 12 divisors (see below), whose sum is σ = 607824. Its totient is φ = 282384.

The previous prime is 439441. The next prime is 439459. The reversal of 439449 is 944934.

It is a happy number.

It is not a de Polignac number, because 439449 - 2³ = 439441 is a prime.

It is a d-powerful number, because it can be written as 4 + 3¹¹ + 4³ + 9 + 4⁹ + 9² .

It is not an unprimeable number, because it can be changed into a prime (439441) 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, 4054 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2⁴³⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

439449 is a deficient number, since it is larger than the sum of its proper divisors (168375).

439449 is a wasteful number, since it uses less digits than its factorization.

439449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 147 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 439449 is about 662.9094960852. The cubic root of 439449 is about 76.0272870622.

It can be divided in two parts, 439 and 449, that added together give a palindrome (888).

The spelling of 439449 in words is "four hundred thirty-nine thousand, four hundred forty-nine".