440814 has 16 divisors (see below), whose sum is σ = 961920. Its totient is φ = 133560.

The previous prime is 440809. The next prime is 440821. The reversal of 440814 is 418044.

440814 is a modest number, since divided by 814 gives 440 as remainder.

It is a congruent number.

It is an unprimeable number.

440814 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 3274 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (60120).

2⁴⁴⁰⁸¹⁴ is an apocalyptic number.

440814 is an abundant number, since it is smaller than the sum of its proper divisors (521106).

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

440814 is a wasteful number, since it uses less digits than its factorization.

440814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 440814 is about 663.9382501408. The cubic root of 440814 is about 76.1059234017.

Adding to 440814 its reverse (418044), we get a palindrome (858858).

The spelling of 440814 in words is "four hundred forty thousand, eight hundred fourteen".