443424413 has 16 divisors (see below), whose sum is σ = 511272000. Its totient is φ = 381733632.

The previous prime is 443424409. The next prime is 443424467. The reversal of 443424413 is 314424344.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 443424413 - 2² = 443424409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443424473) 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 15 ways as a sum of consecutive naturals, for example, 14303 + ... + 33036.

It is an arithmetic number, because the mean of its divisors is an integer number (31954500).

Almost surely, 2^443424413 is an apocalyptic number.

It is an amenable number.

443424413 is a deficient number, since it is larger than the sum of its proper divisors (67847587).

443424413 is a wasteful number, since it uses less digits than its factorization.

443424413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47404.

The product of its digits is 18432, while the sum is 29.

The square root of 443424413 is about 21057.6450012816. The cubic root of 443424413 is about 762.5585588996.

Adding to 443424413 its reverse (314424344), we get a palindrome (757848757).

The spelling of 443424413 in words is "four hundred forty-three million, four hundred twenty-four thousand, four hundred thirteen".