4273439 has 2 divisors, whose sum is σ = 4273440. Its totient is φ = 4273438.

The previous prime is 4273427. The next prime is 4273459. The reversal of 4273439 is 9343724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4273439 - 2⁸ = 4273183 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 (4273459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136719 + 2136720.

It is an arithmetic number, because the mean of its divisors is an integer number (2136720).

Almost surely, 2^4273439 is an apocalyptic number.

4273439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273439 is an equidigital number, since it uses as much as digits as its factorization.

4273439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 4273439 is about 2067.2297888721. The cubic root of 4273439 is about 162.2778218090.

The spelling of 4273439 in words is "four million, two hundred seventy-three thousand, four hundred thirty-nine".