4238747 has 2 divisors, whose sum is σ = 4238748. Its totient is φ = 4238746.

The previous prime is 4238719. The next prime is 4238753. The reversal of 4238747 is 7478324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4238747 - 2¹² = 4234651 is a prime.

It is a super-2 number, since 2×4238747² = 35933952260018, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2¹³ + 3² + 8⁵ + 7² + 4¹¹ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (4232747) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119373 + 2119374.

It is an arithmetic number, because the mean of its divisors is an integer number (2119374).

Almost surely, 2^4238747 is an apocalyptic number.

4238747 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238747 is an equidigital number, since it uses as much as digits as its factorization.

4238747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 35.

The square root of 4238747 is about 2058.8217504194. The cubic root of 4238747 is about 161.8375015381.

The spelling of 4238747 in words is "four million, two hundred thirty-eight thousand, seven hundred forty-seven".