488638898 has 24 divisors (see below), whose sum is σ = 817024320. Its totient is φ = 218972600.

The previous prime is 488638897. The next prime is 488638907. The reversal of 488638898 is 898836884.

It is a self number, because there is not a number n which added to its sum of digits gives 488638898.

It is not an unprimeable number, because it can be changed into a prime (488638897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2963 + ... + 31401.

It is an arithmetic number, because the mean of its divisors is an integer number (34042680).

Almost surely, 2^488638898 is an apocalyptic number.

488638898 is a deficient number, since it is larger than the sum of its proper divisors (328385422).

488638898 is a wasteful number, since it uses less digits than its factorization.

488638898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28534 (or 28523 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 62.

The square root of 488638898 is about 22105.1780811646. The cubic root of 488638898 is about 787.6428687797.

The spelling of 488638898 in words is "four hundred eighty-eight million, six hundred thirty-eight thousand, eight hundred ninety-eight".