4782239 has 16 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 3694560.

The previous prime is 4782227. The next prime is 4782241. The reversal of 4782239 is 9322874.

4782239 is nontrivially palindromic in base 9.

It is a cyclic number.

It is not a de Polignac number, because 4782239 - 2⁴ = 4782223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 7⁴ + 8 + 2 + 2¹⁹ + 3⁷ + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4782199 and 4782208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13142 + ... + 13500.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^4782239 is an apocalyptic number.

4782239 is a deficient number, since it is larger than the sum of its proper divisors (1231201).

4782239 is a wasteful number, since it uses less digits than its factorization.

4782239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its digits is 24192, while the sum is 35.

The square root of 4782239 is about 2186.8330983411. The cubic root of 4782239 is about 168.4782174732.

The spelling of 4782239 in words is "four million, seven hundred eighty-two thousand, two hundred thirty-nine".