480921 has 8 divisors (see below), whose sum is σ = 732864. Its totient is φ = 274800.

The previous prime is 480919. The next prime is 480929. The reversal of 480921 is 129084.

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

It is not a de Polignac number, because 480921 - 2¹ = 480919 is a prime.

It is a super-3 number, since 3×480921³ = 333689452344809883, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

480921 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 480891 and 480900.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480921.

It is not an unprimeable number, because it can be changed into a prime (480929) 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, 11430 + ... + 11471.

It is an arithmetic number, because the mean of its divisors is an integer number (91608).

2⁴⁸⁰⁹²¹ is an apocalyptic number.

It is an amenable number.

480921 is a deficient number, since it is larger than the sum of its proper divisors (251943).

480921 is a wasteful number, since it uses less digits than its factorization.

480921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22911.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 480921 is about 693.4846789944. The cubic root of 480921 is about 78.3473985105.

The spelling of 480921 in words is "four hundred eighty thousand, nine hundred twenty-one".