443713 has 4 divisors (see below), whose sum is σ = 445060. Its totient is φ = 442368.

The previous prime is 443711. The next prime is 443731. The reversal of 443713 is 317344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 97969 = 588^2 + 313^2 .

It is a 3-Lehmer number, since φ(443713) divides (443713-1)³.

It is a cyclic number.

It is not a de Polignac number, because 443713 - 2¹ = 443711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443711) 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, 193 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (111265).

2⁴⁴³⁷¹³ is an apocalyptic number.

It is an amenable number.

443713 is a deficient number, since it is larger than the sum of its proper divisors (1347).

443713 is an equidigital number, since it uses as much as digits as its factorization.

443713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its digits is 1008, while the sum is 22.

The square root of 443713 is about 666.1178574397. The cubic root of 443713 is about 76.2723951059.

It can be divided in two parts, 443 and 713, that added together give a square (1156 = 34²).

The spelling of 443713 in words is "four hundred forty-three thousand, seven hundred thirteen".