441918 has 12 divisors (see below), whose sum is σ = 957528. Its totient is φ = 147300.

The previous prime is 441913. The next prime is 441923. The reversal of 441918 is 819144.

It is an interprime number because it is at equal distance from previous prime (441913) and next prime (441923).

It is a junction number, because it is equal to n+sod(n) for n = 441891 and 441900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441913) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12258 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (79794).

2⁴⁴¹⁹¹⁸ is an apocalyptic number.

441918 is an abundant number, since it is smaller than the sum of its proper divisors (515610).

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

441918 is a wasteful number, since it uses less digits than its factorization.

441918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559 (or 24556 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 441918 is about 664.7691328574. The cubic root of 441918 is about 76.1694051231.

The spelling of 441918 in words is "four hundred forty-one thousand, nine hundred eighteen".