43936973 has 2 divisors, whose sum is σ = 43936974. Its totient is φ = 43936972.

The previous prime is 43936967. The next prime is 43937009. The reversal of 43936973 is 37963934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 7912969 = 6002^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 43936973 - 2⁴ = 43936957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43936903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21968486 + 21968487.

It is an arithmetic number, because the mean of its divisors is an integer number (21968487).

Almost surely, 2^43936973 is an apocalyptic number.

It is an amenable number.

43936973 is a deficient number, since it is larger than the sum of its proper divisors (1).

43936973 is an equidigital number, since it uses as much as digits as its factorization.

43936973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 44.

The square root of 43936973 is about 6628.4970392993. The cubic root of 43936973 is about 352.8661868725.

The spelling of 43936973 in words is "forty-three million, nine hundred thirty-six thousand, nine hundred seventy-three".