43968371 has 2 divisors, whose sum is σ = 43968372. Its totient is φ = 43968370.

The previous prime is 43968367. The next prime is 43968377. The reversal of 43968371 is 17386934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43968371 - 2² = 43968367 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43968377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21984185 + 21984186.

It is an arithmetic number, because the mean of its divisors is an integer number (21984186).

Almost surely, 2^43968371 is an apocalyptic number.

43968371 is a deficient number, since it is larger than the sum of its proper divisors (1).

43968371 is an equidigital number, since it uses as much as digits as its factorization.

43968371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 43968371 is about 6630.8650265256. The cubic root of 43968371 is about 352.9502212949.

The spelling of 43968371 in words is "forty-three million, nine hundred sixty-eight thousand, three hundred seventy-one".