4247663 has 12 divisors (see below), whose sum is σ = 5157360. Its totient is φ = 3481632.

The previous prime is 4247629. The next prime is 4247687. The reversal of 4247663 is 3667424.

It is not a de Polignac number, because 4247663 - 2⁸ = 4247407 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 (4247623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (429780).

Almost surely, 2^4247663 is an apocalyptic number.

4247663 is a deficient number, since it is larger than the sum of its proper divisors (909697).

4247663 is a wasteful number, since it uses less digits than its factorization.

4247663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3799 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 4247663 is about 2060.9859291126. The cubic root of 4247663 is about 161.9508945309.

The spelling of 4247663 in words is "four million, two hundred forty-seven thousand, six hundred sixty-three".