488998728 has 64 divisors (see below), whose sum is σ = 1372392000. Its totient is φ = 161312256.

The previous prime is 488998721. The next prime is 488998751. The reversal of 488998728 is 827899884.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (488998721) 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 15 ways as a sum of consecutive naturals, for example, 9283 + ... + 32621.

It is an arithmetic number, because the mean of its divisors is an integer number (21443625).

Almost surely, 2^488998728 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 488998728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686196000).

488998728 is an abundant number, since it is smaller than the sum of its proper divisors (883393272).

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

488998728 is a wasteful number, since it uses less digits than its factorization.

488998728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23451 (or 23441 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The square root of 488998728 is about 22113.3156265631. The cubic root of 488998728 is about 787.8361594313.

The spelling of 488998728 in words is "four hundred eighty-eight million, nine hundred ninety-eight thousand, seven hundred twenty-eight".