4649663 has 4 divisors (see below), whose sum is σ = 4748640. Its totient is φ = 4550688.

The previous prime is 4649651. The next prime is 4649677. The reversal of 4649663 is 3669464.

It is a happy number.

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 4649663 - 2¹⁰ = 4648639 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 (4649683) 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, 49418 + ... + 49511.

It is an arithmetic number, because the mean of its divisors is an integer number (1187160).

Almost surely, 2^4649663 is an apocalyptic number.

4649663 is a deficient number, since it is larger than the sum of its proper divisors (98977).

4649663 is an equidigital number, since it uses as much as digits as its factorization.

4649663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98976.

The product of its digits is 93312, while the sum is 38.

The square root of 4649663 is about 2156.3077238650. The cubic root of 4649663 is about 166.9067211881.

The spelling of 4649663 in words is "four million, six hundred forty-nine thousand, six hundred sixty-three".