489511008 has 72 divisors (see below), whose sum is σ = 1590917328. Its totient is φ = 139859712.

The previous prime is 489510961. The next prime is 489511027. The reversal of 489511008 is 800115984.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 119391 + ... + 123422.

It is an arithmetic number, because the mean of its divisors is an integer number (22096074).

Almost surely, 2^489511008 is an apocalyptic number.

489511008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489511008 is an abundant number, since it is smaller than the sum of its proper divisors (1101406320).

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

489511008 is a wasteful number, since it uses less digits than its factorization.

489511008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242836 (or 242825 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 489511008 is about 22124.8956607709. The cubic root of 489511008 is about 788.1111784520. Note that the first 4 decimals are identical.

It can be divided in two parts, 48 and 9511008, that added together give a square (9511056 = 3084²).

The spelling of 489511008 in words is "four hundred eighty-nine million, five hundred eleven thousand, eight".