1438984241 has 2 divisors, whose sum is σ = 1438984242. Its totient is φ = 1438984240.

The previous prime is 1438984223. The next prime is 1438984331. The reversal of 1438984241 is 1424898341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016270641 + 422713600 = 31879^2 + 20560^2 .

It is an emirp because it is prime and its reverse (1424898341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1438984241 - 2⁶ = 1438984177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1438984192 and 1438984201.

It is not a weakly prime, because it can be changed into another prime (1438984201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719492120 + 719492121.

It is an arithmetic number, because the mean of its divisors is an integer number (719492121).

Almost surely, 2^1438984241 is an apocalyptic number.

It is an amenable number.

1438984241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438984241 is an equidigital number, since it uses as much as digits as its factorization.

1438984241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 1438984241 is about 37933.9457610199. The cubic root of 1438984241 is about 1128.9776539195.

The spelling of 1438984241 in words is "one billion, four hundred thirty-eight million, nine hundred eighty-four thousand, two hundred forty-one".