440979 has 32 divisors (see below), whose sum is σ = 774144. Its totient is φ = 216480.

The previous prime is 440959. The next prime is 440983. The reversal of 440979 is 979044.

It is not a de Polignac number, because 440979 - 2⁸ = 440723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

440979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (440939) 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 31 ways as a sum of consecutive naturals, for example, 5272 + ... + 5354.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2⁴⁴⁰⁹⁷⁹ is an apocalyptic number.

440979 is a deficient number, since it is larger than the sum of its proper divisors (333165).

440979 is a wasteful number, since it uses less digits than its factorization.

440979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 440979 is about 664.0624970588. The cubic root of 440979 is about 76.1154178906.

The spelling of 440979 in words is "four hundred forty thousand, nine hundred seventy-nine".