434072329 has 2 divisors, whose sum is σ = 434072330. Its totient is φ = 434072328.

The previous prime is 434072291. The next prime is 434072333. The reversal of 434072329 is 923270434.

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., 417262329 + 16810000 = 20427^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 434072329 - 2⁷ = 434072201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434072294 and 434072303.

It is not a weakly prime, because it can be changed into another prime (434072389) 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 as a sum of consecutive naturals, namely, 217036164 + 217036165.

It is an arithmetic number, because the mean of its divisors is an integer number (217036165).

Almost surely, 2^434072329 is an apocalyptic number.

It is an amenable number.

434072329 is a deficient number, since it is larger than the sum of its proper divisors (1).

434072329 is an equidigital number, since it uses as much as digits as its factorization.

434072329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 434072329 is about 20834.4025352300. The cubic root of 434072329 is about 757.1594850423.

The spelling of 434072329 in words is "four hundred thirty-four million, seventy-two thousand, three hundred twenty-nine".