488755988 has 18 divisors (see below), whose sum is σ = 994967946. Its totient is φ = 209466768.

The previous prime is 488755979. The next prime is 488756011. The reversal of 488755988 is 889557884.

It can be written as a sum of positive squares in only one way, i.e., 487438084 + 1317904 = 22078^2 + 1148^2 .

It is a super-2 number, since 2×488755988² = 477764831611712288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 488755988.

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 5 ways as a sum of consecutive naturals, for example, 1246631 + ... + 1247022.

It is an arithmetic number, because the mean of its divisors is an integer number (55275997).

Almost surely, 2^488755988 is an apocalyptic number.

It is an amenable number.

488755988 is an abundant number, since it is smaller than the sum of its proper divisors (506211958).

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

488755988 is a wasteful number, since it uses less digits than its factorization.

488755988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493671 (or 2493662 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 62.

The square root of 488755988 is about 22107.8263970025. The cubic root of 488755988 is about 787.7057766778.

The spelling of 488755988 in words is "four hundred eighty-eight million, seven hundred fifty-five thousand, nine hundred eighty-eight".