27338939 has 2 divisors, whose sum is σ = 27338940. Its totient is φ = 27338938.

The previous prime is 27338933. The next prime is 27338953. The reversal of 27338939 is 93983372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27338939 - 2¹² = 27334843 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27338939.

It is not a weakly prime, because it can be changed into another prime (27338933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13669469 + 13669470.

It is an arithmetic number, because the mean of its divisors is an integer number (13669470).

Almost surely, 2^27338939 is an apocalyptic number.

27338939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27338939 is an equidigital number, since it uses as much as digits as its factorization.

27338939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 27338939 is about 5228.6651260145. The cubic root of 27338939 is about 301.2501131178.

The spelling of 27338939 in words is "twenty-seven million, three hundred thirty-eight thousand, nine hundred thirty-nine".