440879 has 4 divisors (see below), whose sum is σ = 451176. Its totient is φ = 430584.

The previous prime is 440863. The next prime is 440893. The reversal of 440879 is 978044.

It is a happy number.

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 440879 - 2⁴ = 440863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5084 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (112794).

2⁴⁴⁰⁸⁷⁹ is an apocalyptic number.

440879 is a deficient number, since it is larger than the sum of its proper divisors (10297).

440879 is a wasteful number, since it uses less digits than its factorization.

440879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 440879 is about 663.9871986718. The cubic root of 440879 is about 76.1096639377.

It can be divided in two parts, 440 and 879, that multiplied together give a triangular number (386760 = T₈₇₉).

The spelling of 440879 in words is "four hundred forty thousand, eight hundred seventy-nine".