430438009 has 3 divisors (see below), whose sum is σ = 430458757. Its totient is φ = 430417262.

The previous prime is 430437947. The next prime is 430438051. The reversal of 430438009 is 900834034.

The square root of 430438009 is 20747.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 430438009 - 2⁷ = 430437881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430438109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10374 + ... + 31120.

Almost surely, 2^430438009 is an apocalyptic number.

430438009 is the 20747-th square number.

430438009 is the 10374-th centered octagonal number.

It is an amenable number.

430438009 is a deficient number, since it is larger than the sum of its proper divisors (20748).

430438009 is an frugal number, since it uses more digits than its factorization.

430438009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41494 (or 20747 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The cubic root of 430438009 is about 755.0404253021.

The spelling of 430438009 in words is "four hundred thirty million, four hundred thirty-eight thousand, nine".