444081 has 8 divisors (see below), whose sum is σ = 645984. Its totient is φ = 269120.

The previous prime is 444079. The next prime is 444089. The reversal of 444081 is 180444.

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

It is a cyclic number.

It is not a de Polignac number, because 444081 - 2¹ = 444079 is a prime.

It is a super-2 number, since 2×444081² = 394415869122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6696 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (80748).

2⁴⁴⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

444081 is a deficient number, since it is larger than the sum of its proper divisors (201903).

444081 is a wasteful number, since it uses less digits than its factorization.

444081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 444081 is about 666.3940275843. The cubic root of 444081 is about 76.2934751624.

The spelling of 444081 in words is "four hundred forty-four thousand, eighty-one".