443406241 has 4 divisors (see below), whose sum is σ = 443762500. Its totient is φ = 443049984.

The previous prime is 443406193. The next prime is 443406251. The reversal of 443406241 is 142604344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101304225 + 342102016 = 10065^2 + 18496^2 .

It is a cyclic number.

It is not a de Polignac number, because 443406241 - 2¹¹ = 443404193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443406251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176256 + ... + 178753.

It is an arithmetic number, because the mean of its divisors is an integer number (110940625).

Almost surely, 2^443406241 is an apocalyptic number.

It is an amenable number.

443406241 is a deficient number, since it is larger than the sum of its proper divisors (356259).

443406241 is a wasteful number, since it uses less digits than its factorization.

443406241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356258.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 443406241 is about 21057.2135146130. The cubic root of 443406241 is about 762.5481419393.

The spelling of 443406241 in words is "four hundred forty-three million, four hundred six thousand, two hundred forty-one".