320448 has 28 divisors (see below), whose sum is σ = 848360. Its totient is φ = 106752.

The previous prime is 320431. The next prime is 320449. The reversal of 320448 is 844023.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320448.

It is not an unprimeable number, because it can be changed into a prime (320449) 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, 643 + ... + 1026.

2³²⁰⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

320448 is an abundant number, since it is smaller than the sum of its proper divisors (527912).

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

320448 is a wasteful number, since it uses less digits than its factorization.

320448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 320448 is about 566.0812662507. The cubic root of 320448 is about 68.4309425339.

The spelling of 320448 in words is "three hundred twenty thousand, four hundred forty-eight".