19924327 has 2 divisors, whose sum is σ = 19924328. Its totient is φ = 19924326.

The previous prime is 19924291. The next prime is 19924337. The reversal of 19924327 is 72342991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19924327 - 2⁷ = 19924199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19924337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9962163 + 9962164.

It is an arithmetic number, because the mean of its divisors is an integer number (9962164).

Almost surely, 2^19924327 is an apocalyptic number.

19924327 is a deficient number, since it is larger than the sum of its proper divisors (1).

19924327 is an equidigital number, since it uses as much as digits as its factorization.

19924327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 19924327 is about 4463.6674383292. The cubic root of 19924327 is about 271.0989821022.

The spelling of 19924327 in words is "nineteen million, nine hundred twenty-four thousand, three hundred twenty-seven".