487980 has 36 divisors (see below), whose sum is σ = 1480752. Its totient is φ = 130080.

The previous prime is 487979. The next prime is 487997. The reversal of 487980 is 89784.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1176 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (41132).

2⁴⁸⁷⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

487980 is an abundant number, since it is smaller than the sum of its proper divisors (992772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487980 is a wasteful number, since it uses less digits than its factorization.

487980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 487980 is about 698.5556527579. Note that the first 3 decimals coincide. The cubic root of 487980 is about 78.7288681017.

The spelling of 487980 in words is "four hundred eighty-seven thousand, nine hundred eighty".