488128986 has 24 divisors (see below), whose sum is σ = 1094083380. Its totient is φ = 157098816.

The previous prime is 488128961. The next prime is 488128997. The reversal of 488128986 is 689821884.

488128986 is a `hidden beast` number, since 488 + 1 + 2 + 89 + 86 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 441630225 + 46498761 = 21015^2 + 6819^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 467035 + ... + 468078.

Almost surely, 2^488128986 is an apocalyptic number.

488128986 is an abundant number, since it is smaller than the sum of its proper divisors (605954394).

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

488128986 is a wasteful number, since it uses less digits than its factorization.

488128986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935150 (or 935147 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 488128986 is about 22093.6413024200. The cubic root of 488128986 is about 787.3687956773.

The spelling of 488128986 in words is "four hundred eighty-eight million, one hundred twenty-eight thousand, nine hundred eighty-six".