434333321 has 2 divisors, whose sum is σ = 434333322. Its totient is φ = 434333320.

The previous prime is 434333299. The next prime is 434333327. The reversal of 434333321 is 123333434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431808400 + 2524921 = 20780^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 434333321 - 2¹⁴ = 434316937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434333327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217166660 + 217166661.

It is an arithmetic number, because the mean of its divisors is an integer number (217166661).

Almost surely, 2^434333321 is an apocalyptic number.

It is an amenable number.

434333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

434333321 is an equidigital number, since it uses as much as digits as its factorization.

434333321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 26.

The square root of 434333321 is about 20840.6650805582. The cubic root of 434333321 is about 757.3112055142.

Adding to 434333321 its reverse (123333434), we get a palindrome (557666755).

The spelling of 434333321 in words is "four hundred thirty-four million, three hundred thirty-three thousand, three hundred twenty-one".