489247308 has 36 divisors (see below), whose sum is σ = 1349137608. Its totient is φ = 148256640.

The previous prime is 489247289. The next prime is 489247309. The reversal of 489247308 is 803742984.

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

It is not an unprimeable number, because it can be changed into a prime (489247309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617341 + ... + 618132.

Almost surely, 2^489247308 is an apocalyptic number.

It is an amenable number.

489247308 is an abundant number, since it is smaller than the sum of its proper divisors (859890300).

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

489247308 is a wasteful number, since it uses less digits than its factorization.

489247308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235494 (or 1235489 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 489247308 is about 22118.9355078403. The cubic root of 489247308 is about 787.9696343096.

It can be divided in two parts, 489247 and 308, that added together give a triangular number (489555 = T₉₈₉).

The spelling of 489247308 in words is "four hundred eighty-nine million, two hundred forty-seven thousand, three hundred eight".