18914327 has 2 divisors, whose sum is σ = 18914328. Its totient is φ = 18914326.

The previous prime is 18914299. The next prime is 18914339. The reversal of 18914327 is 72341981.

It is a strong prime.

It is an emirp because it is prime and its reverse (72341981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18914327 - 2¹⁴ = 18897943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18914627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9457163 + 9457164.

It is an arithmetic number, because the mean of its divisors is an integer number (9457164).

Almost surely, 2^18914327 is an apocalyptic number.

18914327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18914327 is an equidigital number, since it uses as much as digits as its factorization.

18914327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 18914327 is about 4349.0604732517. The cubic root of 18914327 is about 266.4384904044.

The spelling of 18914327 in words is "eighteen million, nine hundred fourteen thousand, three hundred twenty-seven".