27963349 has 2 divisors, whose sum is σ = 27963350. Its totient is φ = 27963348.

The previous prime is 27963343. The next prime is 27963359. The reversal of 27963349 is 94336972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26450449 + 1512900 = 5143^2 + 1230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27963349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27963343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13981674 + 13981675.

It is an arithmetic number, because the mean of its divisors is an integer number (13981675).

Almost surely, 2^27963349 is an apocalyptic number.

It is an amenable number.

27963349 is a deficient number, since it is larger than the sum of its proper divisors (1).

27963349 is an equidigital number, since it uses as much as digits as its factorization.

27963349 is an evil number, because the sum of its binary digits is even.

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

The square root of 27963349 is about 5288.0382941125. The cubic root of 27963349 is about 303.5263464522.

The spelling of 27963349 in words is "twenty-seven million, nine hundred sixty-three thousand, three hundred forty-nine".