443941 has 2 divisors, whose sum is σ = 443942. Its totient is φ = 443940.

The previous prime is 443939. The next prime is 443953. The reversal of 443941 is 149344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 198916 = 495^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 443941 - 2¹ = 443939 is a prime.

It is a super-2 number, since 2×443941² = 394167222962, which contains 22 as substring.

Together with 443939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221970 + 221971.

It is an arithmetic number, because the mean of its divisors is an integer number (221971).

2⁴⁴³⁹⁴¹ is an apocalyptic number.

It is an amenable number.

443941 is a deficient number, since it is larger than the sum of its proper divisors (1).

443941 is an equidigital number, since it uses as much as digits as its factorization.

443941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 443941 is about 666.2889763458. The cubic root of 443941 is about 76.2854569487.

The spelling of 443941 in words is "four hundred forty-three thousand, nine hundred forty-one".