444668 has 12 divisors (see below), whose sum is σ = 889392. Its totient is φ = 190560.

The previous prime is 444649. The next prime is 444671. The reversal of 444668 is 866444.

444668 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 7913 + ... + 7968.

It is an arithmetic number, because the mean of its divisors is an integer number (74116).

2⁴⁴⁴⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

444668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444668 is a wasteful number, since it uses less digits than its factorization.

444668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892 (or 15890 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 444668 is about 666.8343122546. The cubic root of 444668 is about 76.3270760536.

The spelling of 444668 in words is "four hundred forty-four thousand, six hundred sixty-eight".