443838 has 8 divisors (see below), whose sum is σ = 887688. Its totient is φ = 147944.

The previous prime is 443837. The next prime is 443851. The reversal of 443838 is 838344.

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

443838 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 443838.

It is not an unprimeable number, because it can be changed into a prime (443837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36981 + ... + 36992.

It is an arithmetic number, because the mean of its divisors is an integer number (110961).

2⁴⁴³⁸³⁸ is an apocalyptic number.

443838 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.

443838 is a wasteful number, since it uses less digits than its factorization.

443838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73978.

The product of its digits is 9216, while the sum is 30.

The square root of 443838 is about 666.2116780724. The cubic root of 443838 is about 76.2795567579.

The spelling of 443838 in words is "four hundred forty-three thousand, eight hundred thirty-eight".