479905 has 8 divisors (see below), whose sum is σ = 590184. Its totient is φ = 374400.

The previous prime is 479903. The next prime is 479909. The reversal of 479905 is 509974.

It can be written as a sum of positive squares in 4 ways, for example, as 6561 + 473344 = 81^2 + 688^2 .

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

It is not a de Polignac number, because 479905 - 2¹ = 479903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479903) 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, 966 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (73773).

2⁴⁷⁹⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

479905 is a deficient number, since it is larger than the sum of its proper divisors (110279).

479905 is a wasteful number, since it uses less digits than its factorization.

479905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 479905 is about 692.7517592904. The cubic root of 479905 is about 78.2921870322.

The spelling of 479905 in words is "four hundred seventy-nine thousand, nine hundred five".