489444384 has 192 divisors, whose sum is σ = 1528668288. Its totient is φ = 135168000.

The previous prime is 489444383. The next prime is 489444391. The reversal of 489444384 is 483444984.

It is a super-3 number, since 3×489444384³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (489444383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386352 + ... + 1386704.

It is an arithmetic number, because the mean of its divisors is an integer number (7961814).

Almost surely, 2^489444384 is an apocalyptic number.

489444384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489444384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764334144).

489444384 is an abundant number, since it is smaller than the sum of its proper divisors (1039223904).

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

489444384 is a wasteful number, since it uses less digits than its factorization.

489444384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 48.

The square root of 489444384 is about 22123.3899753180. The cubic root of 489444384 is about 788.0754220198.

The spelling of 489444384 in words is "four hundred eighty-nine million, four hundred forty-four thousand, three hundred eighty-four".