4238387 has 8 divisors (see below), whose sum is σ = 4582800. Its totient is φ = 3906144.

The previous prime is 4238309. The next prime is 4238393. The reversal of 4238387 is 7838324.

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

It is a cyclic number.

It is not a de Polignac number, because 4238387 - 2¹² = 4234291 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 3⁸ + 8 + 3⁹ + 8³ + 7⁵ .

It is not an unprimeable number, because it can be changed into a prime (4238687) 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, 2312 + ... + 3717.

It is an arithmetic number, because the mean of its divisors is an integer number (572850).

Almost surely, 2^4238387 is an apocalyptic number.

4238387 is a deficient number, since it is larger than the sum of its proper divisors (344413).

4238387 is a wasteful number, since it uses less digits than its factorization.

4238387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its digits is 32256, while the sum is 35.

The square root of 4238387 is about 2058.7343199160. The cubic root of 4238387 is about 161.8329197478.

The spelling of 4238387 in words is "four million, two hundred thirty-eight thousand, three hundred eighty-seven".