38634173 has 2 divisors, whose sum is σ = 38634174. Its totient is φ = 38634172.

The previous prime is 38634157. The next prime is 38634199. The reversal of 38634173 is 37143683.

It is a happy number.

38634173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38167684 + 466489 = 6178^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 38634173 - 2⁴ = 38634157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38634103) 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, 19317086 + 19317087.

It is an arithmetic number, because the mean of its divisors is an integer number (19317087).

Almost surely, 2^38634173 is an apocalyptic number.

It is an amenable number.

38634173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38634173 is an equidigital number, since it uses as much as digits as its factorization.

38634173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 38634173 is about 6215.6393878667. The cubic root of 38634173 is about 338.0574724580.

The spelling of 38634173 in words is "thirty-eight million, six hundred thirty-four thousand, one hundred seventy-three".