43738441 has 2 divisors, whose sum is σ = 43738442. Its totient is φ = 43738440.

The previous prime is 43738423. The next prime is 43738447. The reversal of 43738441 is 14483734.

43738441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 11532816 = 5675^2 + 3396^2 .

It is a cyclic number.

It is not a de Polignac number, because 43738441 - 2²¹ = 41641289 is a prime.

It is a super-2 number, since 2×43738441² = 3826102442220962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43738397 and 43738406.

It is not a weakly prime, because it can be changed into another prime (43738447) 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, 21869220 + 21869221.

It is an arithmetic number, because the mean of its divisors is an integer number (21869221).

Almost surely, 2^43738441 is an apocalyptic number.

It is an amenable number.

43738441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43738441 is an equidigital number, since it uses as much as digits as its factorization.

43738441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 43738441 is about 6613.5044416708. The cubic root of 43738441 is about 352.3339015933. Note that the first 3 decimals are identical.

The spelling of 43738441 in words is "forty-three million, seven hundred thirty-eight thousand, four hundred forty-one".