488837988 has 18 divisors (see below), whose sum is σ = 1235673894. Its totient is φ = 162945984.

The previous prime is 488837983. The next prime is 488837989. The reversal of 488837988 is 889738884.

488837988 is a `hidden beast` number, since 488 + 8 + 3 + 79 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 484352064 + 4485924 = 22008^2 + 2118^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (488837981) 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 5 ways as a sum of consecutive naturals, for example, 6789381 + ... + 6789452.

Almost surely, 2^488837988 is an apocalyptic number.

It is an amenable number.

488837988 is an abundant number, since it is smaller than the sum of its proper divisors (746835906).

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

488837988 is a wasteful number, since it uses less digits than its factorization.

488837988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578843 (or 13578838 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The square root of 488837988 is about 22109.6808660822. The cubic root of 488837988 is about 787.7498261035.

The spelling of 488837988 in words is "four hundred eighty-eight million, eight hundred thirty-seven thousand, nine hundred eighty-eight".