38738713 has 4 divisors (see below), whose sum is σ = 41718628. Its totient is φ = 35758800.

The previous prime is 38738681. The next prime is 38738717. The reversal of 38738713 is 31783783.

38738713 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, and also an emirpimes, since its reverse is a distinct semiprime: 31783783 = 197 ⋅161339.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 34609689 = 2032^2 + 5883^2 .

It is a cyclic number.

It is not a de Polignac number, because 38738713 - 2⁵ = 38738681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38738717) by changing a digit.

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, 1489938 + ... + 1489963.

It is an arithmetic number, because the mean of its divisors is an integer number (10429657).

Almost surely, 2^38738713 is an apocalyptic number.

It is an amenable number.

38738713 is a deficient number, since it is larger than the sum of its proper divisors (2979915).

38738713 is a wasteful number, since it uses less digits than its factorization.

38738713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979914.

The product of its digits is 84672, while the sum is 40.

The square root of 38738713 is about 6224.0431393107. The cubic root of 38738713 is about 338.3621138100.

The spelling of 38738713 in words is "thirty-eight million, seven hundred thirty-eight thousand, seven hundred thirteen".