38040172 has 12 divisors (see below), whose sum is σ = 66732120. Its totient is φ = 18973856.

The previous prime is 38040161. The next prime is 38040179. The reversal of 38040172 is 27104083.

It is not an unprimeable number, because it can be changed into a prime (38040179) 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 3 ways as a sum of consecutive naturals, for example, 9673 + ... + 13024.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010).

Almost surely, 2^38040172 is an apocalyptic number.

It is an amenable number.

38040172 is a deficient number, since it is larger than the sum of its proper divisors (28691948).

38040172 is a wasteful number, since it uses less digits than its factorization.

38040172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23120 (or 23118 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 38040172 is about 6167.6715217333. The cubic root of 38040172 is about 336.3159702515.

The spelling of 38040172 in words is "thirty-eight million, forty thousand, one hundred seventy-two".