3958938 has 12 divisors (see below), whose sum is σ = 8577738. Its totient is φ = 1319640.

The previous prime is 3958937. The next prime is 3958949. The reversal of 3958938 is 8398593.

3958938 is a `hidden beast` number, since 39 + 589 + 38 = 666.

3958938 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., 3143529 + 815409 = 1773^2 + 903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3958893 and 3958902.

It is not an unprimeable number, because it can be changed into a prime (3958931) 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, 109953 + ... + 109988.

Almost surely, 2^3958938 is an apocalyptic number.

3958938 is an abundant number, since it is smaller than the sum of its proper divisors (4618800).

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

3958938 is a wasteful number, since it uses less digits than its factorization.

3958938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219949 (or 219946 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3958938 is about 1989.7080187806. The cubic root of 3958938 is about 158.1950536614.

The spelling of 3958938 in words is "three million, nine hundred fifty-eight thousand, nine hundred thirty-eight".