3805938 has 12 divisors (see below), whose sum is σ = 8246238. Its totient is φ = 1268640.

The previous prime is 3805933. The next prime is 3805951. The reversal of 3805938 is 8395083.

3805938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3790809 + 15129 = 1947^2 + 123^2 .

It is not an unprimeable number, because it can be changed into a prime (3805933) 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 5 ways as a sum of consecutive naturals, for example, 105703 + ... + 105738.

Almost surely, 2^3805938 is an apocalyptic number.

3805938 is an abundant number, since it is smaller than the sum of its proper divisors (4440300).

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

3805938 is a wasteful number, since it uses less digits than its factorization.

3805938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211449 (or 211446 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3805938 is about 1950.8813392926. The cubic root of 3805938 is about 156.1303151735.

The spelling of 3805938 in words is "three million, eight hundred five thousand, nine hundred thirty-eight".