443418434 has 16 divisors (see below), whose sum is σ = 683828088. Its totient is φ = 215488512.

The previous prime is 443418427. The next prime is 443418457. The reversal of 443418434 is 434814344.

It can be written as a sum of positive squares in 4 ways, for example, as 442976209 + 442225 = 21047^2 + 665^2 .

It is a super-2 number, since 2×443418434² = 393239815222024712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 443418394 and 443418403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82724 + ... + 87920.

Almost surely, 2^443418434 is an apocalyptic number.

443418434 is a deficient number, since it is larger than the sum of its proper divisors (240409654).

443418434 is a wasteful number, since it uses less digits than its factorization.

443418434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389.

The product of its digits is 73728, while the sum is 35.

The square root of 443418434 is about 21057.5030333608. The cubic root of 443418434 is about 762.5551315149. Note that the first 3 decimals are identical.

The spelling of 443418434 in words is "four hundred forty-three million, four hundred eighteen thousand, four hundred thirty-four".