4445668 has 12 divisors (see below), whose sum is σ = 7796992. Its totient is φ = 2217960.

The previous prime is 4445663. The next prime is 4445681. The reversal of 4445668 is 8665444.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4445663) 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, 1513 + ... + 3343.

Almost surely, 2^4445668 is an apocalyptic number.

It is an amenable number.

4445668 is a deficient number, since it is larger than the sum of its proper divisors (3351324).

4445668 is a wasteful number, since it uses less digits than its factorization.

4445668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2440 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 4445668 is about 2108.4752784892. The cubic root of 4445668 is about 164.4292246418.

The spelling of 4445668 in words is "four million, four hundred forty-five thousand, six hundred sixty-eight".