3039989 has 2 divisors, whose sum is σ = 3039990. Its totient is φ = 3039988.

The previous prime is 3039947. The next prime is 3039997. The reversal of 3039989 is 9899303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 47089 = 1730^2 + 217^2 .

It is an emirp because it is prime and its reverse (9899303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3039989 - 2²⁰ = 1991413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3039919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519994 + 1519995.

It is an arithmetic number, because the mean of its divisors is an integer number (1519995).

Almost surely, 2^3039989 is an apocalyptic number.

It is an amenable number.

3039989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3039989 is an equidigital number, since it uses as much as digits as its factorization.

3039989 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 3039989 is about 1743.5564229471. The cubic root of 3039989 is about 144.8629541434.

The spelling of 3039989 in words is "three million, thirty-nine thousand, nine hundred eighty-nine".