479721 has 8 divisors (see below), whose sum is σ = 697824. Its totient is φ = 290720.

The previous prime is 479701. The next prime is 479749. The reversal of 479721 is 127974.

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

It is a cyclic number.

It is not a de Polignac number, because 479721 - 2⁷ = 479593 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479721.

It is not an unprimeable number, because it can be changed into a prime (479701) 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 7 ways as a sum of consecutive naturals, for example, 7236 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (87228).

2⁴⁷⁹⁷²¹ is an apocalyptic number.

It is an amenable number.

479721 is a deficient number, since it is larger than the sum of its proper divisors (218103).

479721 is a wasteful number, since it uses less digits than its factorization.

479721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551.

The product of its digits is 3528, while the sum is 30.

The square root of 479721 is about 692.6189428539. The cubic root of 479721 is about 78.2821797711.

The spelling of 479721 in words is "four hundred seventy-nine thousand, seven hundred twenty-one".