3938679 has 16 divisors (see below), whose sum is σ = 6179040. Its totient is φ = 2471040.

The previous prime is 3938657. The next prime is 3938699. The reversal of 3938679 is 9768393.

It is a happy number.

It is not a de Polignac number, because 3938679 - 2⁹ = 3938167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938609) 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 15 ways as a sum of consecutive naturals, for example, 3832 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (386190).

Almost surely, 2^3938679 is an apocalyptic number.

3938679 is a deficient number, since it is larger than the sum of its proper divisors (2240361).

3938679 is a wasteful number, since it uses less digits than its factorization.

3938679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607 (or 8601 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3938679 is about 1984.6105411390. The cubic root of 3938679 is about 157.9247491897.

The spelling of 3938679 in words is "three million, nine hundred thirty-eight thousand, six hundred seventy-nine".