38634718 has 4 divisors (see below), whose sum is σ = 57952080. Its totient is φ = 19317358.

The previous prime is 38634671. The next prime is 38634731. The reversal of 38634718 is 81743683.

38634718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 9658678 + ... + 9658681.

It is an arithmetic number, because the mean of its divisors is an integer number (14488020).

Almost surely, 2^38634718 is an apocalyptic number.

38634718 is a deficient number, since it is larger than the sum of its proper divisors (19317362).

38634718 is a wasteful number, since it uses less digits than its factorization.

38634718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317361.

The product of its digits is 96768, while the sum is 40.

The square root of 38634718 is about 6215.6832287368. The cubic root of 38634718 is about 338.0590620737.

The spelling of 38634718 in words is "thirty-eight million, six hundred thirty-four thousand, seven hundred eighteen".