443397 has 4 divisors (see below), whose sum is σ = 591200. Its totient is φ = 295596.

The previous prime is 443389. The next prime is 443407. The reversal of 443397 is 793344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 443397 - 2³ = 443389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73897 + ... + 73902.

It is an arithmetic number, because the mean of its divisors is an integer number (147800).

2⁴⁴³³⁹⁷ is an apocalyptic number.

It is an amenable number.

443397 is a deficient number, since it is larger than the sum of its proper divisors (147803).

443397 is a wasteful number, since it uses less digits than its factorization.

443397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147802.

The product of its digits is 9072, while the sum is 30.

The square root of 443397 is about 665.8806199312. The cubic root of 443397 is about 76.2542844497.

The spelling of 443397 in words is "four hundred forty-three thousand, three hundred ninety-seven".