40006093 has 2 divisors, whose sum is σ = 40006094. Its totient is φ = 40006092.

The previous prime is 40006073. The next prime is 40006097. The reversal of 40006093 is 39060004.

40006093 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., 27175369 + 12830724 = 5213^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 40006093 - 2⁵ = 40006061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40006097) 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, 20003046 + 20003047.

It is an arithmetic number, because the mean of its divisors is an integer number (20003047).

Almost surely, 2^40006093 is an apocalyptic number.

It is an amenable number.

40006093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40006093 is an equidigital number, since it uses as much as digits as its factorization.

40006093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40006093 is about 6325.0369959392. The cubic root of 40006093 is about 342.0125532595.

Adding to 40006093 its reverse (39060004), we get a palindrome (79066097).

The spelling of 40006093 in words is "forty million, six thousand, ninety-three".