441921 has 8 divisors (see below), whose sum is σ = 620320. Its totient is φ = 279072.

The previous prime is 441913. The next prime is 441923. The reversal of 441921 is 129144.

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

It is not a de Polignac number, because 441921 - 2³ = 441913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441923) 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, 3820 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (77540).

2⁴⁴¹⁹²¹ is an apocalyptic number.

It is an amenable number.

441921 is a deficient number, since it is larger than the sum of its proper divisors (178399).

441921 is a wasteful number, since it uses less digits than its factorization.

441921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 288, while the sum is 21.

The square root of 441921 is about 664.7713892760. The cubic root of 441921 is about 76.1695774836.

The spelling of 441921 in words is "four hundred forty-one thousand, nine hundred twenty-one".