489708900 has 108 divisors (see below), whose sum is σ = 1539419700. Its totient is φ = 130210560.

The previous prime is 489708899. The next prime is 489708917. The reversal of 489708900 is 9807984.

It can be written as a sum of positive squares in 6 ways, for example, as 60516 + 489648384 = 246^2 + 22128^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 457566 + ... + 458634.

Almost surely, 2^489708900 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 489708900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769709850).

489708900 is an abundant number, since it is smaller than the sum of its proper divisors (1049710800).

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

489708900 is a wasteful number, since it uses less digits than its factorization.

489708900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 489708900 is about 22129.3673655620. The cubic root of 489708900 is about 788.2173659759.

The spelling of 489708900 in words is "four hundred eighty-nine million, seven hundred eight thousand, nine hundred".