3989039 has 2 divisors, whose sum is σ = 3989040. Its totient is φ = 3989038.

The previous prime is 3989023. The next prime is 3989057. The reversal of 3989039 is 9309893.

It is a weak prime.

It is an emirp because it is prime and its reverse (9309893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3989039 - 2⁴ = 3989023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3988987 and 3989005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3989009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994519 + 1994520.

It is an arithmetic number, because the mean of its divisors is an integer number (1994520).

Almost surely, 2^3989039 is an apocalyptic number.

3989039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989039 is an equidigital number, since it uses as much as digits as its factorization.

3989039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3989039 is about 1997.2578701810. The cubic root of 3989039 is about 158.5949766954.

The spelling of 3989039 in words is "three million, nine hundred eighty-nine thousand, thirty-nine".