4322439 has 12 divisors (see below), whose sum is σ = 6811272. Its totient is φ = 2619600.

The previous prime is 4322429. The next prime is 4322441. The reversal of 4322439 is 9342234.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4322439 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 3⁵ + 2³ + 2¹⁵ + 4¹¹ + 3⁹ + 9⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322419) 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 in 11 ways as a sum of consecutive naturals, for example, 21732 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (567606).

Almost surely, 2^4322439 is an apocalyptic number.

4322439 is a deficient number, since it is larger than the sum of its proper divisors (2488833).

4322439 is a wasteful number, since it uses less digits than its factorization.

4322439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43678 (or 43675 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4322439 is about 2079.0476185023. The cubic root of 4322439 is about 162.8957015282.

It can be divided in two parts, 4322 and 439, that added together give a square (4761 = 69²).

The spelling of 4322439 in words is "four million, three hundred twenty-two thousand, four hundred thirty-nine".