489709500 has 96 divisors (see below), whose sum is σ = 1629788160. Its totient is φ = 111931200.

The previous prime is 489709469. The next prime is 489709501. The reversal of 489709500 is 5907984.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489709501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12820 + ... + 33819.

It is an arithmetic number, because the mean of its divisors is an integer number (16976960).

Almost surely, 2^489709500 is an apocalyptic number.

It is an amenable number.

489709500 is an abundant number, since it is smaller than the sum of its proper divisors (1140078660).

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

489709500 is a wasteful number, since it uses less digits than its factorization.

489709500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46668 (or 46656 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 489709500 is about 22129.3809222039. The cubic root of 489709500 is about 788.2176878883.

The spelling of 489709500 in words is "four hundred eighty-nine million, seven hundred nine thousand, five hundred".