27384641 has 2 divisors, whose sum is σ = 27384642. Its totient is φ = 27384640.

The previous prime is 27384631. The next prime is 27384647. The reversal of 27384641 is 14648372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24216241 + 3168400 = 4921^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27384641 is a prime.

It is not a weakly prime, because it can be changed into another prime (27384647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13692320 + 13692321.

It is an arithmetic number, because the mean of its divisors is an integer number (13692321).

Almost surely, 2^27384641 is an apocalyptic number.

It is an amenable number.

27384641 is a deficient number, since it is larger than the sum of its proper divisors (1).

27384641 is an equidigital number, since it uses as much as digits as its factorization.

27384641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 27384641 is about 5233.0336326074. The cubic root of 27384641 is about 301.4178844181.

The spelling of 27384641 in words is "twenty-seven million, three hundred eighty-four thousand, six hundred forty-one".