4238381 has 8 divisors (see below), whose sum is σ = 4956864. Its totient is φ = 3548160.

The previous prime is 4238309. The next prime is 4238393. The reversal of 4238381 is 1838324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4238381 is a prime.

It is a super-2 number, since 2×4238381² = 35927747002322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹¹ + 3⁷ + 8³ + 3⁸ + 8⁵ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (619608).

Almost surely, 2^4238381 is an apocalyptic number.

It is an amenable number.

4238381 is a deficient number, since it is larger than the sum of its proper divisors (718483).

4238381 is a wasteful number, since it uses less digits than its factorization.

4238381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131.

The product of its digits is 4608, while the sum is 29.

The square root of 4238381 is about 2058.7328627095. The cubic root of 4238381 is about 161.8328433824.

The spelling of 4238381 in words is "four million, two hundred thirty-eight thousand, three hundred eighty-one".