4238407 has 2 divisors, whose sum is σ = 4238408. Its totient is φ = 4238406.

The previous prime is 4238393. The next prime is 4238431. The reversal of 4238407 is 7048324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4238407 - 2¹¹ = 4236359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119203 + 2119204.

It is an arithmetic number, because the mean of its divisors is an integer number (2119204).

Almost surely, 2^4238407 is an apocalyptic number.

4238407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238407 is an equidigital number, since it uses as much as digits as its factorization.

4238407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4238407 is about 2058.7391772636. The cubic root of 4238407 is about 161.8331742985.

The spelling of 4238407 in words is "four million, two hundred thirty-eight thousand, four hundred seven".