489154248 has 128 divisors (see below), whose sum is σ = 1546905600. Its totient is φ = 141768000.

The previous prime is 489154241. The next prime is 489154261. The reversal of 489154248 is 842451984.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (489154241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50173 + ... + 59123.

It is an arithmetic number, because the mean of its divisors is an integer number (12085200).

Almost surely, 2^489154248 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 489154248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773452800).

489154248 is an abundant number, since it is smaller than the sum of its proper divisors (1057751352).

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

489154248 is a wasteful number, since it uses less digits than its factorization.

489154248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8990 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 489154248 is about 22116.8317803432. The cubic root of 489154248 is about 787.9196710955.

The spelling of 489154248 in words is "four hundred eighty-nine million, one hundred fifty-four thousand, two hundred forty-eight".