3938538 has 8 divisors (see below), whose sum is σ = 7877088. Its totient is φ = 1312844.

The previous prime is 3938531. The next prime is 3938549. The reversal of 3938538 is 8358393.

3938538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3938538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3938496 and 3938505.

It is not an unprimeable number, because it can be changed into a prime (3938531) 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, 328206 + ... + 328217.

It is an arithmetic number, because the mean of its divisors is an integer number (984636).

Almost surely, 2^3938538 is an apocalyptic number.

3938538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3938538 is a wasteful number, since it uses less digits than its factorization.

3938538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656428.

The product of its digits is 77760, while the sum is 39.

The square root of 3938538 is about 1984.5750174786. The cubic root of 3938538 is about 157.9228646614.

The spelling of 3938538 in words is "three million, nine hundred thirty-eight thousand, five hundred thirty-eight".