434939 has 2 divisors, whose sum is σ = 434940. Its totient is φ = 434938.

The previous prime is 434933. The next prime is 434947. The reversal of 434939 is 939434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434939 - 2⁴ = 434923 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217469 + 217470.

It is an arithmetic number, because the mean of its divisors is an integer number (217470).

2⁴³⁴⁹³⁹ is an apocalyptic number.

434939 is a deficient number, since it is larger than the sum of its proper divisors (1).

434939 is an equidigital number, since it uses as much as digits as its factorization.

434939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 434939 is about 659.4990523117. The cubic root of 434939 is about 75.7663066188.

It can be divided in two parts, 4 and 34939, that added together give a palindrome (34943).

The spelling of 434939 in words is "four hundred thirty-four thousand, nine hundred thirty-nine".