38718146 has 32 divisors (see below), whose sum is σ = 63980928. Its totient is φ = 17498880.

The previous prime is 38718077. The next prime is 38718149. The reversal of 38718146 is 64181783.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38718149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103616 + ... + 103988.

It is an arithmetic number, because the mean of its divisors is an integer number (1999404).

Almost surely, 2^38718146 is an apocalyptic number.

38718146 is a deficient number, since it is larger than the sum of its proper divisors (25262782).

38718146 is a wasteful number, since it uses less digits than its factorization.

38718146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its digits is 32256, while the sum is 38.

The square root of 38718146 is about 6222.3906981160. The cubic root of 38718146 is about 338.3022225971.

The spelling of 38718146 in words is "thirty-eight million, seven hundred eighteen thousand, one hundred forty-six".