4067438 has 4 divisors (see below), whose sum is σ = 6101160. Its totient is φ = 2033718.

The previous prime is 4067423. The next prime is 4067467. The reversal of 4067438 is 8347604.

It is a happy number.

4067438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1016858 + ... + 1016861.

It is an arithmetic number, because the mean of its divisors is an integer number (1525290).

Almost surely, 2^4067438 is an apocalyptic number.

4067438 is a deficient number, since it is larger than the sum of its proper divisors (2033722).

4067438 is a wasteful number, since it uses less digits than its factorization.

4067438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033721.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4067438 is about 2016.7890321003. The cubic root of 4067438 is about 159.6272311540.

The spelling of 4067438 in words is "four million, sixty-seven thousand, four hundred thirty-eight".