38320173 has 12 divisors (see below), whose sum is σ = 55596060. Its totient is φ = 25433856.

The previous prime is 38320171. The next prime is 38320189. The reversal of 38320173 is 37102383.

It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 8311689 = 5478^2 + 2883^2 .

It is not a de Polignac number, because 38320173 - 2¹ = 38320171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7236 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (4633005).

Almost surely, 2^38320173 is an apocalyptic number.

It is an amenable number.

38320173 is a deficient number, since it is larger than the sum of its proper divisors (17275887).

38320173 is a wasteful number, since it uses less digits than its factorization.

38320173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828 (or 18825 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 38320173 is about 6190.3289896418. The cubic root of 38320173 is about 337.1391237309.

The spelling of 38320173 in words is "thirty-eight million, three hundred twenty thousand, one hundred seventy-three".