4040093 has 2 divisors, whose sum is σ = 4040094. Its totient is φ = 4040092.

The previous prime is 4040083. The next prime is 4040119. The reversal of 4040093 is 3900404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 573049 = 1862^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040093 - 2¹⁰ = 4039069 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 (4040053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020046 + 2020047.

It is an arithmetic number, because the mean of its divisors is an integer number (2020047).

Almost surely, 2^4040093 is an apocalyptic number.

It is an amenable number.

4040093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040093 is an equidigital number, since it uses as much as digits as its factorization.

4040093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4040093 is about 2009.9982587057. The cubic root of 4040093 is about 159.2687069284.

Adding to 4040093 its reverse (3900404), we get a palindrome (7940497).

The spelling of 4040093 in words is "four million, forty thousand, ninety-three".