434204321 has 16 divisors (see below), whose sum is σ = 473763840. Its totient is φ = 396426960.

The previous prime is 434204299. The next prime is 434204333. The reversal of 434204321 is 123402434.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434204321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434204521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153506 + ... + 156308.

It is an arithmetic number, because the mean of its divisors is an integer number (29610240).

Almost surely, 2^434204321 is an apocalyptic number.

It is an amenable number.

434204321 is a deficient number, since it is larger than the sum of its proper divisors (39559519).

434204321 is a wasteful number, since it uses less digits than its factorization.

434204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 434204321 is about 20837.5699398946. The cubic root of 434204321 is about 757.2362225351.

Adding to 434204321 its reverse (123402434), we get a palindrome (557606755).

The spelling of 434204321 in words is "four hundred thirty-four million, two hundred four thousand, three hundred twenty-one".