480639 has 8 divisors (see below), whose sum is σ = 646272. Its totient is φ = 317720.

The previous prime is 480587. The next prime is 480647. The reversal of 480639 is 936084.

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 480639 - 2⁸ = 480383 is a prime.

It is a super-3 number, since 3×480639³ = 333102795129471357, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480639.

It is not an unprimeable number, because it can be changed into a prime (480839) 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, 219 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2⁴⁸⁰⁶³⁹ is an apocalyptic number.

480639 is a deficient number, since it is larger than the sum of its proper divisors (165633).

480639 is a wasteful number, since it uses less digits than its factorization.

480639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 480639 is about 693.2813281778. The cubic root of 480639 is about 78.3320818672.

The spelling of 480639 in words is "four hundred eighty thousand, six hundred thirty-nine".