4067938 has 32 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 1607040.

The previous prime is 4067893. The next prime is 4067939. The reversal of 4067938 is 8397604.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4067897 and 4067906.

It is not an unprimeable number, because it can be changed into a prime (4067939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10720 + ... + 11092.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

Almost surely, 2^4067938 is an apocalyptic number.

4067938 is a deficient number, since it is larger than the sum of its proper divisors (3471902).

4067938 is a wasteful number, since it uses less digits than its factorization.

4067938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 4067938 is about 2016.9129877117. The cubic root of 4067938 is about 159.6337717450.

It can be divided in two parts, 4067 and 938, that added together give a palindrome (5005).

The spelling of 4067938 in words is "four million, sixty-seven thousand, nine hundred thirty-eight".