441865 has 8 divisors (see below), whose sum is σ = 538560. Its totient is φ = 347952.

The previous prime is 441841. The next prime is 441877. The reversal of 441865 is 568144.

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 441865 - 2⁷ = 441737 is a prime.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁴⁴¹⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

441865 is a deficient number, since it is larger than the sum of its proper divisors (96695).

441865 is a wasteful number, since it uses less digits than its factorization.

441865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its digits is 3840, while the sum is 28.

The square root of 441865 is about 664.7292681987. The cubic root of 441865 is about 76.1663599579.

The spelling of 441865 in words is "four hundred forty-one thousand, eight hundred sixty-five".