441965 has 8 divisors (see below), whose sum is σ = 544920. Its totient is φ = 343872.

The previous prime is 441953. The next prime is 441971. The reversal of 441965 is 569144.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 373321 = 262^2 + 611^2 .

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 441965 - 2¹⁰ = 440941 is a prime.

It is a super-2 number, since 2×441965² = 390666122450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (68115).

2⁴⁴¹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

441965 is a deficient number, since it is larger than the sum of its proper divisors (102955).

441965 is a wasteful number, since it uses less digits than its factorization.

441965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431.

The product of its digits is 4320, while the sum is 29.

The square root of 441965 is about 664.8044825360. The cubic root of 441965 is about 76.1721053489.

The spelling of 441965 in words is "four hundred forty-one thousand, nine hundred sixty-five".