38638328 has 16 divisors (see below), whose sum is σ = 72910680. Its totient is φ = 19195488.

The previous prime is 38638309. The next prime is 38638337. The reversal of 38638328 is 82383683.

38638328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 14126 + ... + 16637.

Almost surely, 2^38638328 is an apocalyptic number.

It is an amenable number.

38638328 is a deficient number, since it is larger than the sum of its proper divisors (34272352).

38638328 is a wasteful number, since it uses less digits than its factorization.

38638328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30926 (or 30922 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 38638328 is about 6215.9736164176. The cubic root of 38638328 is about 338.0695910768.

The spelling of 38638328 in words is "thirty-eight million, six hundred thirty-eight thousand, three hundred twenty-eight".