27934369 has 2 divisors, whose sum is σ = 27934370. Its totient is φ = 27934368.

The previous prime is 27934367. The next prime is 27934381. The reversal of 27934369 is 96343972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 2934369 = 5000^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 27934369 - 2¹ = 27934367 is a prime.

It is a super-2 number, since 2×27934369² = 1560657942856322, which contains 22 as substring.

Together with 27934367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27934363) 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, 13967184 + 13967185.

It is an arithmetic number, because the mean of its divisors is an integer number (13967185).

Almost surely, 2^27934369 is an apocalyptic number.

It is an amenable number.

27934369 is a deficient number, since it is larger than the sum of its proper divisors (1).

27934369 is an equidigital number, since it uses as much as digits as its factorization.

27934369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 27934369 is about 5285.2974372309. The cubic root of 27934369 is about 303.4214563699.

The spelling of 27934369 in words is "twenty-seven million, nine hundred thirty-four thousand, three hundred sixty-nine".