443963 has 12 divisors (see below), whose sum is σ = 500688. Its totient is φ = 393120.

The previous prime is 443953. The next prime is 443983. The reversal of 443963 is 369344.

It is a happy number.

It is not a de Polignac number, because 443963 - 2⁶ = 443899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6218 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (41724).

2⁴⁴³⁹⁶³ is an apocalyptic number.

443963 is a deficient number, since it is larger than the sum of its proper divisors (56725).

443963 is a wasteful number, since it uses less digits than its factorization.

443963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 443963 is about 666.3054854945. The cubic root of 443963 is about 76.2867170653.

The spelling of 443963 in words is "four hundred forty-three thousand, nine hundred sixty-three".