439648 has 24 divisors (see below), whose sum is σ = 945000. Its totient is φ = 199680.

The previous prime is 439639. The next prime is 439661. The reversal of 439648 is 846934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (39375).

2⁴³⁹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

439648 is an abundant number, since it is smaller than the sum of its proper divisors (505352).

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

439648 is a wasteful number, since it uses less digits than its factorization.

439648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1262 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 439648 is about 663.0595750006. The cubic root of 439648 is about 76.0387613911.

It can be divided in two parts, 4396 and 48, that added together give a palindrome (4444).

The spelling of 439648 in words is "four hundred thirty-nine thousand, six hundred forty-eight".