440859 has 4 divisors (see below), whose sum is σ = 587816. Its totient is φ = 293904.

The previous prime is 440849. The next prime is 440863. The reversal of 440859 is 958044.

440859 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 440859 - 2⁷ = 440731 is a prime.

It is a D-number.

It is a Duffinian number.

440859 is strictly pandigital in base 7.

440859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (440809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73474 + ... + 73479.

It is an arithmetic number, because the mean of its divisors is an integer number (146954).

2⁴⁴⁰⁸⁵⁹ is an apocalyptic number.

440859 is a deficient number, since it is larger than the sum of its proper divisors (146957).

440859 is a wasteful number, since it uses less digits than its factorization.

440859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146956.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 440859 is about 663.9721379697. The cubic root of 440859 is about 76.1085130427.

The spelling of 440859 in words is "four hundred forty thousand, eight hundred fifty-nine".