443140 has 12 divisors (see below), whose sum is σ = 930636. Its totient is φ = 177248.

The previous prime is 443129. The next prime is 443147. The reversal of 443140 is 41344.

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 166464 = 526^2 + 408^2 .

It is not an unprimeable number, because it can be changed into a prime (443147) 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, 11059 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (77553).

2⁴⁴³¹⁴⁰ is an apocalyptic number.

It is an amenable number.

443140 is an abundant number, since it is smaller than the sum of its proper divisors (487496).

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

443140 is a wasteful number, since it uses less digits than its factorization.

443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22166 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 443140 is about 665.6876144259. The cubic root of 443140 is about 76.2395488677.

Adding to 443140 its reverse (41344), we get a palindrome (484484).

The spelling of 443140 in words is "four hundred forty-three thousand, one hundred forty", and thus it is an iban number.