4375439 has 2 divisors, whose sum is σ = 4375440. Its totient is φ = 4375438.

The previous prime is 4375429. The next prime is 4375447. The reversal of 4375439 is 9345734.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4375439 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4 + 3⁶ + 7² + 5⁵ + 4¹¹ + 3¹¹ + 9² .

It is a junction number, because it is equal to n+sod(n) for n = 4375399 and 4375408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4375429) 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, 2187719 + 2187720.

It is an arithmetic number, because the mean of its divisors is an integer number (2187720).

Almost surely, 2^4375439 is an apocalyptic number.

4375439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4375439 is an equidigital number, since it uses as much as digits as its factorization.

4375439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 4375439 is about 2091.7550047747. The cubic root of 4375439 is about 163.5587857955.

The spelling of 4375439 in words is "four million, three hundred seventy-five thousand, four hundred thirty-nine".