489133908 has 36 divisors (see below), whose sum is σ = 1239145908. Its totient is φ = 162685440.

The previous prime is 489133867. The next prime is 489133913. The reversal of 489133908 is 809331984.

It can be written as a sum of positive squares in 2 ways, for example, as 135769104 + 353364804 = 11652^2 + 18798^2 .

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

It is a congruent number.

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, 1860 + ... + 31332.

Almost surely, 2^489133908 is an apocalyptic number.

It is an amenable number.

489133908 is an abundant number, since it is smaller than the sum of its proper divisors (750012000).

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

489133908 is a wasteful number, since it uses less digits than its factorization.

489133908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29944 (or 29939 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 489133908 is about 22116.3719447833. The cubic root of 489133908 is about 787.9087498587.

The spelling of 489133908 in words is "four hundred eighty-nine million, one hundred thirty-three thousand, nine hundred eight".