443394 has 80 divisors (see below), whose sum is σ = 1254528. Its totient is φ = 114048.

The previous prime is 443389. The next prime is 443407. The reversal of 443394 is 493344.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19267 + ... + 19289.

2⁴⁴³³⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627264).

443394 is an abundant number, since it is smaller than the sum of its proper divisors (811134).

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

443394 is a wasteful number, since it uses less digits than its factorization.

443394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 52 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 443394 is about 665.8783672714. The cubic root of 443394 is about 76.2541124719.

The spelling of 443394 in words is "four hundred forty-three thousand, three hundred ninety-four".