434430647 has 16 divisors (see below), whose sum is σ = 522685440. Its totient is φ = 353012352.

The previous prime is 434430641. The next prime is 434430679. The reversal of 434430647 is 746034434.

It is a happy number.

It is not a de Polignac number, because 434430647 - 2⁶ = 434430583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434430641) 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 15 ways as a sum of consecutive naturals, for example, 6254 + ... + 30132.

It is an arithmetic number, because the mean of its divisors is an integer number (32667840).

Almost surely, 2^434430647 is an apocalyptic number.

434430647 is a deficient number, since it is larger than the sum of its proper divisors (88254793).

434430647 is a wasteful number, since it uses less digits than its factorization.

434430647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24022.

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 434430647 is about 20842.9999520223. Note that the first 4 decimals coincide. The cubic root of 434430647 is about 757.3677677304.

The spelling of 434430647 in words is "four hundred thirty-four million, four hundred thirty thousand, six hundred forty-seven".