434039 has 2 divisors, whose sum is σ = 434040. Its totient is φ = 434038.

The previous prime is 434029. The next prime is 434081. The reversal of 434039 is 930434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434039 - 2¹² = 429943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217019 + 217020.

It is an arithmetic number, because the mean of its divisors is an integer number (217020).

2⁴³⁴⁰³⁹ is an apocalyptic number.

434039 is a deficient number, since it is larger than the sum of its proper divisors (1).

434039 is an equidigital number, since it uses as much as digits as its factorization.

434039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 434039 is about 658.8163628812. The cubic root of 434039 is about 75.7140105772.

It can be divided in two parts, 4 and 34039, that added together give a palindrome (34043).

The spelling of 434039 in words is "four hundred thirty-four thousand, thirty-nine".