443340434 has 4 divisors (see below), whose sum is σ = 665010654. Its totient is φ = 221670216.

The previous prime is 443340431. The next prime is 443340451. The reversal of 443340434 is 434043344.

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

It can be written as a sum of positive squares in only one way, i.e., 440790025 + 2550409 = 20995^2 + 1597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443340397 and 443340406.

It is not an unprimeable number, because it can be changed into a prime (443340431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110835107 + ... + 110835110.

Almost surely, 2^443340434 is an apocalyptic number.

443340434 is a deficient number, since it is larger than the sum of its proper divisors (221670220).

443340434 is a wasteful number, since it uses less digits than its factorization.

443340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221670219.

The product of its (nonzero) digits is 27648, while the sum is 29.

The square root of 443340434 is about 21055.6508804644. The cubic root of 443340434 is about 762.5104161974.

Adding to 443340434 its reverse (434043344), we get a palindrome (877383778).

The spelling of 443340434 in words is "four hundred forty-three million, three hundred forty thousand, four hundred thirty-four".