440219 has 4 divisors (see below), whose sum is σ = 474096. Its totient is φ = 406344.

The previous prime is 440207. The next prime is 440221. The reversal of 440219 is 912044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440219 - 2⁴ = 440203 is a prime.

It is a super-2 number, since 2×440219² = 387585535922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440219.

It is not an unprimeable number, because it can be changed into a prime (440239) 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 3 ways as a sum of consecutive naturals, for example, 16919 + ... + 16944.

It is an arithmetic number, because the mean of its divisors is an integer number (118524).

2⁴⁴⁰²¹⁹ is an apocalyptic number.

440219 is a deficient number, since it is larger than the sum of its proper divisors (33877).

440219 is a wasteful number, since it uses less digits than its factorization.

440219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33876.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 440219 is about 663.4900149965. The cubic root of 440219 is about 76.0716660099.

It can be divided in two parts, 4402 and 19, that multiplied together give a palindrome (83638).

The spelling of 440219 in words is "four hundred forty thousand, two hundred nineteen".