4004663 has 4 divisors (see below), whose sum is σ = 4312728. Its totient is φ = 3696600.

The previous prime is 4004659. The next prime is 4004669. The reversal of 4004663 is 3664004.

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 4004663 - 2² = 4004659 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 (4004669) 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, 154013 + ... + 154038.

It is an arithmetic number, because the mean of its divisors is an integer number (1078182).

Almost surely, 2^4004663 is an apocalyptic number.

4004663 is a deficient number, since it is larger than the sum of its proper divisors (308065).

4004663 is a wasteful number, since it uses less digits than its factorization.

4004663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308064.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4004663 is about 2001.1654104546. The cubic root of 4004663 is about 158.8017650023.

Adding to 4004663 its reverse (3664004), we get a palindrome (7668667).

The spelling of 4004663 in words is "four million, four thousand, six hundred sixty-three".