4238647 has 12 divisors (see below), whose sum is σ = 5146416. Its totient is φ = 3474240.

The previous prime is 4238617. The next prime is 4238651. The reversal of 4238647 is 7468324.

It is not a de Polignac number, because 4238647 - 2⁷ = 4238519 is a prime.

It is a super-2 number, since 2×4238647² = 35932256781218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238617) 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, 754 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (428868).

Almost surely, 2^4238647 is an apocalyptic number.

4238647 is a deficient number, since it is larger than the sum of its proper divisors (907769).

4238647 is a wasteful number, since it uses less digits than its factorization.

4238647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798 (or 3791 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 4238647 is about 2058.7974645409. The cubic root of 4238647 is about 161.8362288446.

The spelling of 4238647 in words is "four million, two hundred thirty-eight thousand, six hundred forty-seven".