27940903 has 2 divisors, whose sum is σ = 27940904. Its totient is φ = 27940902.

The previous prime is 27940901. The next prime is 27940907. The reversal of 27940903 is 30904972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27940903 - 2¹ = 27940901 is a prime.

Together with 27940901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27940901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13970451 + 13970452.

It is an arithmetic number, because the mean of its divisors is an integer number (13970452).

Almost surely, 2^27940903 is an apocalyptic number.

27940903 is a deficient number, since it is larger than the sum of its proper divisors (1).

27940903 is an equidigital number, since it uses as much as digits as its factorization.

27940903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 27940903 is about 5285.9155309180. The cubic root of 27940903 is about 303.4451118322.

The spelling of 27940903 in words is "twenty-seven million, nine hundred forty thousand, nine hundred three".