38639704 has 16 divisors (see below), whose sum is σ = 73531800. Its totient is φ = 19031232.

The previous prime is 38639683. The next prime is 38639707. The reversal of 38639704 is 40793683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38639707) 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, 35509 + ... + 36580.

Almost surely, 2^38639704 is an apocalyptic number.

It is an amenable number.

38639704 is a deficient number, since it is larger than the sum of its proper divisors (34892096).

38639704 is a wasteful number, since it uses less digits than its factorization.

38639704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72162 (or 72158 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 38639704 is about 6216.0842980127. The cubic root of 38639704 is about 338.0736041752.

The spelling of 38639704 in words is "thirty-eight million, six hundred thirty-nine thousand, seven hundred four".