38628173 has 2 divisors, whose sum is σ = 38628174. Its totient is φ = 38628172.

The previous prime is 38628167. The next prime is 38628209. The reversal of 38628173 is 37182683.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33953929 + 4674244 = 5827^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 38628173 - 2²² = 34433869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38628103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19314086 + 19314087.

It is an arithmetic number, because the mean of its divisors is an integer number (19314087).

Almost surely, 2^38628173 is an apocalyptic number.

It is an amenable number.

38628173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38628173 is an equidigital number, since it uses as much as digits as its factorization.

38628173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 38628173 is about 6215.1567156428. The cubic root of 38628173 is about 338.0399711141.

The spelling of 38628173 in words is "thirty-eight million, six hundred twenty-eight thousand, one hundred seventy-three".