434330443 has 4 divisors (see below), whose sum is σ = 457189960. Its totient is φ = 411470928.

The previous prime is 434330423. The next prime is 434330473. The reversal of 434330443 is 344033434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344033434 = 2 ⋅172016717.

It is a cyclic number.

It is not a de Polignac number, because 434330443 - 2⁵ = 434330411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434330423) 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, 11429730 + ... + 11429767.

It is an arithmetic number, because the mean of its divisors is an integer number (114297490).

Almost surely, 2^434330443 is an apocalyptic number.

434330443 is a deficient number, since it is larger than the sum of its proper divisors (22859517).

434330443 is a wasteful number, since it uses less digits than its factorization.

434330443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22859516.

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 434330443 is about 20840.5960327434. The cubic root of 434330443 is about 757.3095328000.

Adding to 434330443 its reverse (344033434), we get a palindrome (778363877).

The spelling of 434330443 in words is "four hundred thirty-four million, three hundred thirty thousand, four hundred forty-three".