434320039 has 2 divisors, whose sum is σ = 434320040. Its totient is φ = 434320038.

The previous prime is 434320027. The next prime is 434320049. The reversal of 434320039 is 930023434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434320039 - 2¹¹ = 434317991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434319989 and 434320016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434320009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217160019 + 217160020.

It is an arithmetic number, because the mean of its divisors is an integer number (217160020).

Almost surely, 2^434320039 is an apocalyptic number.

434320039 is a deficient number, since it is larger than the sum of its proper divisors (1).

434320039 is an equidigital number, since it uses as much as digits as its factorization.

434320039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 434320039 is about 20840.3464222647. The cubic root of 434320039 is about 757.3034858593.

The spelling of 434320039 in words is "four hundred thirty-four million, three hundred twenty thousand, thirty-nine".