4668644 has 12 divisors (see below), whose sum is σ = 8190000. Its totient is φ = 2328648.

The previous prime is 4668641. The next prime is 4668679. The reversal of 4668644 is 4468664.

It is a junction number, because it is equal to n+sod(n) for n = 4668598 and 4668607.

It is not an unprimeable number, because it can be changed into a prime (4668641) 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, 827 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (682500).

Almost surely, 2^4668644 is an apocalyptic number.

It is an amenable number.

4668644 is a deficient number, since it is larger than the sum of its proper divisors (3521356).

4668644 is a wasteful number, since it uses less digits than its factorization.

4668644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2840 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 4668644 is about 2160.7045147359. The cubic root of 4668644 is about 167.1335301211.

The spelling of 4668644 in words is "four million, six hundred sixty-eight thousand, six hundred forty-four".