4444666 has 4 divisors (see below), whose sum is σ = 6667002. Its totient is φ = 2222332.

The previous prime is 4444663. The next prime is 4444669. The reversal of 4444666 is 6664444.

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

It is an interprime number because it is at equal distance from previous prime (4444663) and next prime (4444669).

It can be written as a sum of positive squares in only one way, i.e., 2819041 + 1625625 = 1679^2 + 1275^2 .

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4444663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111165 + ... + 1111168.

Almost surely, 2^4444666 is an apocalyptic number.

4444666 is a deficient number, since it is larger than the sum of its proper divisors (2222336).

4444666 is a wasteful number, since it uses less digits than its factorization.

4444666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222335.

The product of its digits is 55296, while the sum is 34.

The square root of 4444666 is about 2108.2376526379. The cubic root of 4444666 is about 164.4168702582.

The spelling of 4444666 in words is "four million, four hundred forty-four thousand, six hundred sixty-six".