443964 has 12 divisors (see below), whose sum is σ = 1035944. Its totient is φ = 147984.

The previous prime is 443953. The next prime is 443983. The reversal of 443964 is 469344.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

443964 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18487 + ... + 18510.

2⁴⁴³⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

443964 is an abundant number, since it is smaller than the sum of its proper divisors (591980).

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

443964 is a wasteful number, since it uses less digits than its factorization.

443964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37004 (or 37002 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 443964 is about 666.3062359006. The cubic root of 443964 is about 76.2867743424.

The spelling of 443964 in words is "four hundred forty-three thousand, nine hundred sixty-four".