40384117 has 2 divisors, whose sum is σ = 40384118. Its totient is φ = 40384116.

The previous prime is 40384109. The next prime is 40384121. The reversal of 40384117 is 71148304.

40384117 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., 39450961 + 933156 = 6281^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 40384117 - 2³ = 40384109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40384147) 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, 20192058 + 20192059.

It is an arithmetic number, because the mean of its divisors is an integer number (20192059).

Almost surely, 2^40384117 is an apocalyptic number.

It is an amenable number.

40384117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40384117 is an equidigital number, since it uses as much as digits as its factorization.

40384117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40384117 is about 6354.8498802096. The cubic root of 40384117 is about 343.0864217971.

The spelling of 40384117 in words is "forty million, three hundred eighty-four thousand, one hundred seventeen".