4306439 has 2 divisors, whose sum is σ = 4306440. Its totient is φ = 4306438.

The previous prime is 4306433. The next prime is 4306441. The reversal of 4306439 is 9346034.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4306439 is a prime.

Together with 4306441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4306433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153219 + 2153220.

It is an arithmetic number, because the mean of its divisors is an integer number (2153220).

Almost surely, 2^4306439 is an apocalyptic number.

4306439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4306439 is an equidigital number, since it uses as much as digits as its factorization.

4306439 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 29.

The square root of 4306439 is about 2075.1961353087. The cubic root of 4306439 is about 162.6944606909.

The spelling of 4306439 in words is "four million, three hundred six thousand, four hundred thirty-nine".