4067387 has 8 divisors (see below), whose sum is σ = 4300560. Its totient is φ = 3846816.

The previous prime is 4067381. The next prime is 4067407. The reversal of 4067387 is 7837604.

4067387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4067387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4067381) 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, 6563 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (537570).

Almost surely, 2^4067387 is an apocalyptic number.

4067387 is a deficient number, since it is larger than the sum of its proper divisors (233173).

4067387 is an frugal number, since it uses more digits than its factorization.

4067387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 4067387 is about 2016.7763881997. The cubic root of 4067387 is about 159.6265639836.

The spelling of 4067387 in words is "four million, sixty-seven thousand, three hundred eighty-seven".