43368841 has 2 divisors, whose sum is σ = 43368842. Its totient is φ = 43368840.

The previous prime is 43368791. The next prime is 43368863. The reversal of 43368841 is 14886334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 335241 = 6560^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 43368841 - 2⁷ = 43368713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43368841.

It is not a weakly prime, because it can be changed into another prime (43368541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21684420 + 21684421.

It is an arithmetic number, because the mean of its divisors is an integer number (21684421).

Almost surely, 2^43368841 is an apocalyptic number.

It is an amenable number.

43368841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43368841 is an equidigital number, since it uses as much as digits as its factorization.

43368841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 43368841 is about 6585.5023346743. The cubic root of 43368841 is about 351.3386584877.

The spelling of 43368841 in words is "forty-three million, three hundred sixty-eight thousand, eight hundred forty-one".