3047389 has 2 divisors, whose sum is σ = 3047390. Its totient is φ = 3047388.

The previous prime is 3047351. The next prime is 3047399. The reversal of 3047389 is 9837403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 44100 = 1733^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 3047389 - 2¹⁵ = 3014621 is a prime.

It is equal to p₂₁₉₉₆₇ and since 3047389 and 219967 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3047309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523694 + 1523695.

It is an arithmetic number, because the mean of its divisors is an integer number (1523695).

Almost surely, 2^3047389 is an apocalyptic number.

It is an amenable number.

3047389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3047389 is an equidigital number, since it uses as much as digits as its factorization.

3047389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3047389 is about 1745.6772324803. The cubic root of 3047389 is about 144.9804016318.

The spelling of 3047389 in words is "three million, forty-seven thousand, three hundred eighty-nine".