4409663 has 4 divisors (see below), whose sum is σ = 4419000. Its totient is φ = 4400328.

The previous prime is 4409651. The next prime is 4409677. The reversal of 4409663 is 3669044.

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

It is a cyclic number.

It is not a de Polignac number, because 4409663 - 2¹⁰ = 4408639 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3920 + ... + 4917.

It is an arithmetic number, because the mean of its divisors is an integer number (1104750).

Almost surely, 2^4409663 is an apocalyptic number.

4409663 is a deficient number, since it is larger than the sum of its proper divisors (9337).

4409663 is an equidigital number, since it uses as much as digits as its factorization.

4409663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4409663 is about 2099.9197603718. The cubic root of 4409663 is about 163.9841224962.

The spelling of 4409663 in words is "four million, four hundred nine thousand, six hundred sixty-three".