434518439 has 4 divisors (see below), whose sum is σ = 434961456. Its totient is φ = 434075424.

The previous prime is 434518423. The next prime is 434518457. The reversal of 434518439 is 934815434.

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

It is a cyclic number.

It is not a de Polignac number, because 434518439 - 2⁴ = 434518423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434518396 and 434518405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434518459) 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, 220034 + ... + 221999.

It is an arithmetic number, because the mean of its divisors is an integer number (108740364).

Almost surely, 2^434518439 is an apocalyptic number.

434518439 is a deficient number, since it is larger than the sum of its proper divisors (443017).

434518439 is an equidigital number, since it uses as much as digits as its factorization.

434518439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443016.

The product of its digits is 207360, while the sum is 41.

The square root of 434518439 is about 20845.1058764402. The cubic root of 434518439 is about 757.4187818974.

The spelling of 434518439 in words is "four hundred thirty-four million, five hundred eighteen thousand, four hundred thirty-nine".