38402093 has 2 divisors, whose sum is σ = 38402094. Its totient is φ = 38402092.

The previous prime is 38402071. The next prime is 38402107. The reversal of 38402093 is 39020483.

38402093 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., 23059204 + 15342889 = 4802^2 + 3917^2 .

It is an emirp because it is prime and its reverse (39020483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38402093 - 2⁸ = 38401837 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 (38401093) 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, 19201046 + 19201047.

It is an arithmetic number, because the mean of its divisors is an integer number (19201047).

Almost surely, 2^38402093 is an apocalyptic number.

It is an amenable number.

38402093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38402093 is an equidigital number, since it uses as much as digits as its factorization.

38402093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 38402093 is about 6196.9422298421. The cubic root of 38402093 is about 337.3791955391.

The spelling of 38402093 in words is "thirty-eight million, four hundred two thousand, ninety-three".