4426666 has 8 divisors (see below), whose sum is σ = 6765444. Its totient is φ = 2171520.

The previous prime is 4426663. The next prime is 4426673. The reversal of 4426666 is 6666244.

It can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 326041 = 2025^2 + 571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

4426666 is a modest number, since divided by 6666 gives 442 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4426663) 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 in 3 ways as a sum of consecutive naturals, for example, 20775 + ... + 20986.

Almost surely, 2^4426666 is an apocalyptic number.

4426666 is a deficient number, since it is larger than the sum of its proper divisors (2338778).

4426666 is a wasteful number, since it uses less digits than its factorization.

4426666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41816.

The product of its digits is 41472, while the sum is 34.

The square root of 4426666 is about 2103.9643533102. The cubic root of 4426666 is about 164.1946182519.

The spelling of 4426666 in words is "four million, four hundred twenty-six thousand, six hundred sixty-six".