4449663 has 6 divisors (see below), whose sum is σ = 6427304. Its totient is φ = 2966436.

The previous prime is 4449661. The next prime is 4449691. The reversal of 4449663 is 3669444.

It is not a de Polignac number, because 4449663 - 2¹ = 4449661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247195 + ... + 247212.

Almost surely, 2^4449663 is an apocalyptic number.

4449663 is a deficient number, since it is larger than the sum of its proper divisors (1977641).

4449663 is a wasteful number, since it uses less digits than its factorization.

4449663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494413 (or 494410 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 4449663 is about 2109.4224328000. The cubic root of 4449663 is about 164.4784634425.

The spelling of 4449663 in words is "four million, four hundred forty-nine thousand, six hundred sixty-three".