441668 has 12 divisors (see below), whose sum is σ = 780780. Its totient is φ = 218592.

The previous prime is 441667. The next prime is 441697. The reversal of 441668 is 866144.

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 334084 = 328^2 + 578^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 441668.

It is not an unprimeable number, because it can be changed into a prime (441667) 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, 71 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (65065).

2⁴⁴¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

441668 is a deficient number, since it is larger than the sum of its proper divisors (339112).

441668 is a wasteful number, since it uses less digits than its factorization.

441668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 441668 is about 664.5810710515. The cubic root of 441668 is about 76.1550390014.

The spelling of 441668 in words is "four hundred forty-one thousand, six hundred sixty-eight".