4066784 has 24 divisors (see below), whose sum is σ = 8065008. Its totient is φ = 2018560.

The previous prime is 4066759. The next prime is 4066789. The reversal of 4066784 is 4876604.

4066784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4066784³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066789) 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 3 ways as a sum of consecutive naturals, for example, 4964 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (336042).

Almost surely, 2^4066784 is an apocalyptic number.

It is an amenable number.

4066784 is a deficient number, since it is larger than the sum of its proper divisors (3998224).

4066784 is a wasteful number, since it uses less digits than its factorization.

4066784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 4066784 is about 2016.6268866600. The cubic root of 4066784 is about 159.6186752518.

The spelling of 4066784 in words is "four million, sixty-six thousand, seven hundred eighty-four".