4666646 has 4 divisors (see below), whose sum is σ = 6999972. Its totient is φ = 2333322.

The previous prime is 4666643. The next prime is 4666663. The reversal of 4666646 is 6466664.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4666643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166660 + ... + 1166663.

It is an arithmetic number, because the mean of its divisors is an integer number (1749993).

Almost surely, 2^4666646 is an apocalyptic number.

4666646 is a deficient number, since it is larger than the sum of its proper divisors (2333326).

4666646 is a wasteful number, since it uses less digits than its factorization.

4666646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333325.

The product of its digits is 124416, while the sum is 38.

The square root of 4666646 is about 2160.2421160601. The cubic root of 4666646 is about 167.1096844790.

The spelling of 4666646 in words is "four million, six hundred sixty-six thousand, six hundred forty-six".