38958173 has 2 divisors, whose sum is σ = 38958174. Its totient is φ = 38958172.

The previous prime is 38958163. The next prime is 38958181. The reversal of 38958173 is 37185983.

It is a happy number.

38958173 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., 20313049 + 18645124 = 4507^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 38958173 - 2⁶ = 38958109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38958163) 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, 19479086 + 19479087.

It is an arithmetic number, because the mean of its divisors is an integer number (19479087).

Almost surely, 2^38958173 is an apocalyptic number.

It is an amenable number.

38958173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38958173 is an equidigital number, since it uses as much as digits as its factorization.

38958173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 38958173 is about 6241.6482598750. The cubic root of 38958173 is about 338.9998665750. Note that the first 3 decimals are identical.

The spelling of 38958173 in words is "thirty-eight million, nine hundred fifty-eight thousand, one hundred seventy-three".