2938009 has 2 divisors, whose sum is σ = 2938010. Its totient is φ = 2938008.

The previous prime is 2938003. The next prime is 2938021. The reversal of 2938009 is 9008392.

It is a happy number.

2938009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1814409 + 1123600 = 1347^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938009 - 2⁷ = 2937881 is a prime.

It is a Chen prime.

2938009 is a lucky number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2938003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469004 + 1469005.

It is an arithmetic number, because the mean of its divisors is an integer number (1469005).

2^2938009 is an apocalyptic number.

It is an amenable number.

2938009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938009 is an equidigital number, since it uses as much as digits as its factorization.

2938009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2938009 is about 1714.0621342297. The cubic root of 2938009 is about 143.2246294361.

The spelling of 2938009 in words is "two million, nine hundred thirty-eight thousand, nine".