3938930 has 16 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 1551792.

The previous prime is 3938927. The next prime is 3938939. The reversal of 3938930 is 398393.

3938930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3938930³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3938939) 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 7 ways as a sum of consecutive naturals, for example, 2270 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (449820).

Almost surely, 2^3938930 is an apocalyptic number.

3938930 is a deficient number, since it is larger than the sum of its proper divisors (3258190).

3938930 is a wasteful number, since it uses less digits than its factorization.

3938930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3938930 is about 1984.6737767200. The cubic root of 3938930 is about 157.9281038060.

The spelling of 3938930 in words is "three million, nine hundred thirty-eight thousand, nine hundred thirty".