19984241 has 2 divisors, whose sum is σ = 19984242. Its totient is φ = 19984240.

The previous prime is 19984229. The next prime is 19984253. The reversal of 19984241 is 14248991.

It is a balanced prime because it is at equal distance from previous prime (19984229) and next prime (19984253).

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 3500641 = 4060^2 + 1871^2 .

It is an emirp because it is prime and its reverse (14248991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19984241 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19984195 and 19984204.

It is not a weakly prime, because it can be changed into another prime (19980241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9992120 + 9992121.

It is an arithmetic number, because the mean of its divisors is an integer number (9992121).

Almost surely, 2^19984241 is an apocalyptic number.

It is an amenable number.

19984241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19984241 is an equidigital number, since it uses as much as digits as its factorization.

19984241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 19984241 is about 4470.3736980257. The cubic root of 19984241 is about 271.3704487472.

The spelling of 19984241 in words is "nineteen million, nine hundred eighty-four thousand, two hundred forty-one".