443328 has 28 divisors (see below), whose sum is σ = 1173480. Its totient is φ = 147712.

The previous prime is 443293. The next prime is 443341. The reversal of 443328 is 823344.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 443298 and 443307.

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, 963 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (41910).

2⁴⁴³³²⁸ is an apocalyptic number.

443328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

443328 is an abundant number, since it is smaller than the sum of its proper divisors (730152).

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

443328 is a wasteful number, since it uses less digits than its factorization.

443328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324 (or 2314 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 443328 is about 665.8288068265. The cubic root of 443328 is about 76.2503287633.

The spelling of 443328 in words is "four hundred forty-three thousand, three hundred twenty-eight".