4043387 has 2 divisors, whose sum is σ = 4043388. Its totient is φ = 4043386.

The previous prime is 4043357. The next prime is 4043401. The reversal of 4043387 is 7833404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4043387 - 2¹⁶ = 3977851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4043357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021693 + 2021694.

It is an arithmetic number, because the mean of its divisors is an integer number (2021694).

Almost surely, 2^4043387 is an apocalyptic number.

4043387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043387 is an equidigital number, since it uses as much as digits as its factorization.

4043387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 4043387 is about 2010.8174954481. The cubic root of 4043387 is about 159.3119805695.

The spelling of 4043387 in words is "four million, forty-three thousand, three hundred eighty-seven".