4338643 has 2 divisors, whose sum is σ = 4338644. Its totient is φ = 4338642.

The previous prime is 4338629. The next prime is 4338647. The reversal of 4338643 is 3468334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4338643 - 2¹⁷ = 4207571 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 3³ + 3⁹ + 8 + 6² + 4¹¹ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (4338647) 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, 2169321 + 2169322.

It is an arithmetic number, because the mean of its divisors is an integer number (2169322).

Almost surely, 2^4338643 is an apocalyptic number.

4338643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4338643 is an equidigital number, since it uses as much as digits as its factorization.

4338643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 4338643 is about 2082.9409497151. The cubic root of 4338643 is about 163.0990026733.

The spelling of 4338643 in words is "four million, three hundred thirty-eight thousand, six hundred forty-three".