4063646 has 16 divisors (see below), whose sum is σ = 6520176. Its totient is φ = 1892736.

The previous prime is 4063643. The next prime is 4063693. The reversal of 4063646 is 6463604.

4063646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4063643) 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, 3080 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (407511).

Almost surely, 2^4063646 is an apocalyptic number.

4063646 is a deficient number, since it is larger than the sum of its proper divisors (2456530).

4063646 is a wasteful number, since it uses less digits than its factorization.

4063646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 4063646 is about 2015.8487046403. The cubic root of 4063646 is about 159.5776098556.

The spelling of 4063646 in words is "four million, sixty-three thousand, six hundred forty-six".