489389580 has 192 divisors, whose sum is σ = 1574899200. Its totient is φ = 126109440.

The previous prime is 489389569. The next prime is 489389603. The reversal of 489389580 is 85983984.

It is a happy number.

489389580 is a `hidden beast` number, since 489 + 3 + 89 + 5 + 80 = 666.

It is a super-2 number, since 2×489389580² = 479004322025152800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2733931 + ... + 2734109.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^489389580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489389580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787449600).

489389580 is an abundant number, since it is smaller than the sum of its proper divisors (1085509620).

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

489389580 is a wasteful number, since it uses less digits than its factorization.

489389580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 489389580 is about 22122.1513420372. The cubic root of 489389580 is about 788.0460068306.

The spelling of 489389580 in words is "four hundred eighty-nine million, three hundred eighty-nine thousand, five hundred eighty".