489454288 has 80 divisors (see below), whose sum is σ = 1039933440. Its totient is φ = 222307200.

The previous prime is 489454279. The next prime is 489454297. The reversal of 489454288 is 882454984.

It is an interprime number because it is at equal distance from previous prime (489454279) and next prime (489454297).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573653 + ... + 1573963.

It is an arithmetic number, because the mean of its divisors is an integer number (12999168).

Almost surely, 2^489454288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489454288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519966720).

489454288 is an abundant number, since it is smaller than the sum of its proper divisors (550479152).

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

489454288 is a wasteful number, since it uses less digits than its factorization.

489454288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The square root of 489454288 is about 22123.6138096831. The cubic root of 489454288 is about 788.0807376025.

The spelling of 489454288 in words is "four hundred eighty-nine million, four hundred fifty-four thousand, two hundred eighty-eight".