440479 has 8 divisors (see below), whose sum is σ = 490112. Its totient is φ = 393120.

The previous prime is 440471. The next prime is 440497. The reversal of 440479 is 974044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 440479 - 2³ = 440471 is a prime.

It is a Duffinian number.

440479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (61264).

2⁴⁴⁰⁴⁷⁹ is an apocalyptic number.

440479 is a deficient number, since it is larger than the sum of its proper divisors (49633).

440479 is a wasteful number, since it uses less digits than its factorization.

440479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 440479 is about 663.6859196939. The cubic root of 440479 is about 76.0866394213.

It can be divided in two parts, 440 and 479, that added together give a palindrome (919).

The spelling of 440479 in words is "four hundred forty thousand, four hundred seventy-nine".