4063661 has 8 divisors (see below), whose sum is σ = 4656384. Its totient is φ = 3474000.

The previous prime is 4063643. The next prime is 4063693. The reversal of 4063661 is 1663604.

4063661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4063661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4063661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4063601) 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, 4871 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (582048).

Almost surely, 2^4063661 is an apocalyptic number.

It is an amenable number.

4063661 is a deficient number, since it is larger than the sum of its proper divisors (592723).

4063661 is an equidigital number, since it uses as much as digits as its factorization.

4063661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4063661 is about 2015.8524251542. The cubic root of 4063661 is about 159.5778062032.

The spelling of 4063661 in words is "four million, sixty-three thousand, six hundred sixty-one".