443345 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 297024.

The previous prime is 443341. The next prime is 443347. The reversal of 443345 is 543344.

It is a happy number.

It is not a de Polignac number, because 443345 - 2² = 443341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 443345.

It is not an unprimeable number, because it can be changed into a prime (443341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736 + ... + 1974.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁴⁴³³⁴⁵ is an apocalyptic number.

It is an amenable number.

443345 is a deficient number, since it is larger than the sum of its proper divisors (178735).

443345 is a wasteful number, since it uses less digits than its factorization.

443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 2880, while the sum is 23.

The square root of 443345 is about 665.8415727484. The cubic root of 443345 is about 76.2513033908.

Adding to 443345 its reverse (543344), we get a palindrome (986689).

Subtracting 443345 from its reverse (543344), we obtain a palindrome (99999).

The spelling of 443345 in words is "four hundred forty-three thousand, three hundred forty-five".