4066039 has 2 divisors, whose sum is σ = 4066040. Its totient is φ = 4066038.

The previous prime is 4066033. The next prime is 4066063. The reversal of 4066039 is 9306604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4066039 - 2³ = 4066031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4065998 and 4066016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033019 + 2033020.

It is an arithmetic number, because the mean of its divisors is an integer number (2033020).

Almost surely, 2^4066039 is an apocalyptic number.

4066039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066039 is an equidigital number, since it uses as much as digits as its factorization.

4066039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 4066039 is about 2016.4421638123. The cubic root of 4066039 is about 159.6089277318.

The spelling of 4066039 in words is "four million, sixty-six thousand, thirty-nine".