443994 has 8 divisors (see below), whose sum is σ = 888000. Its totient is φ = 147996.

The previous prime is 443987. The next prime is 443999. The reversal of 443994 is 499344.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

443994 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (443999) by changing a digit.

443994 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, 36994 + ... + 37005.

It is an arithmetic number, because the mean of its divisors is an integer number (111000).

2⁴⁴³⁹⁹⁴ is an apocalyptic number.

443994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

443994 is a wasteful number, since it uses less digits than its factorization.

443994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74004.

The product of its digits is 15552, while the sum is 33.

The square root of 443994 is about 666.3287476914. The cubic root of 443994 is about 76.2884926136.

The spelling of 443994 in words is "four hundred forty-three thousand, nine hundred ninety-four".