4238641 has 4 divisors (see below), whose sum is σ = 4623984. Its totient is φ = 3853300.

The previous prime is 4238617. The next prime is 4238651. The reversal of 4238641 is 1468324.

It is the 841-st star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4238641 - 2⁷ = 4238513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4238651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192655 + ... + 192676.

It is an arithmetic number, because the mean of its divisors is an integer number (1155996).

Almost surely, 2^4238641 is an apocalyptic number.

It is an amenable number.

4238641 is a deficient number, since it is larger than the sum of its proper divisors (385343).

4238641 is a wasteful number, since it uses less digits than its factorization.

4238641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385342.

The product of its digits is 4608, while the sum is 28.

The square root of 4238641 is about 2058.7960073791. The cubic root of 4238641 is about 161.8361524823.

It can be divided in two parts, 42 and 38641, that added together give a palindrome (38683).

The spelling of 4238641 in words is "four million, two hundred thirty-eight thousand, six hundred forty-one".