4509663 has 8 divisors (see below), whose sum is σ = 6206976. Its totient is φ = 2909400.

The previous prime is 4509647. The next prime is 4509667. The reversal of 4509663 is 3669054.

It is a happy number.

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

It is not a de Polignac number, because 4509663 - 2⁴ = 4509647 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁸ + 5⁹ + 0 + 9 + 6⁷ + 6⁸ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 24338.

It is an arithmetic number, because the mean of its divisors is an integer number (775872).

Almost surely, 2^4509663 is an apocalyptic number.

4509663 is a deficient number, since it is larger than the sum of its proper divisors (1697313).

4509663 is a wasteful number, since it uses less digits than its factorization.

4509663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48525.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 4509663 is about 2123.5967131261. The cubic root of 4509663 is about 165.2144502678.

The spelling of 4509663 in words is "four million, five hundred nine thousand, six hundred sixty-three".