489980 has 12 divisors (see below), whose sum is σ = 1029000. Its totient is φ = 195984.

The previous prime is 489977. The next prime is 489989. The reversal of 489980 is 89984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12230 + ... + 12269.

It is an arithmetic number, because the mean of its divisors is an integer number (85750).

2⁴⁸⁹⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

489980 is an abundant number, since it is smaller than the sum of its proper divisors (539020).

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

489980 is a wasteful number, since it uses less digits than its factorization.

489980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24508 (or 24506 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 489980 is about 699.9857141399. The cubic root of 489980 is about 78.8362789994.

The spelling of 489980 in words is "four hundred eighty-nine thousand, nine hundred eighty".