488384721 has 80 divisors (see below), whose sum is σ = 887578560. Its totient is φ = 263761920.

The previous prime is 488384707. The next prime is 488384731. The reversal of 488384721 is 127483884.

It is not a de Polignac number, because 488384721 - 2¹¹ = 488382673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488384731) 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 79 ways as a sum of consecutive naturals, for example, 286945 + ... + 288641.

It is an arithmetic number, because the mean of its divisors is an integer number (11094732).

Almost surely, 2^488384721 is an apocalyptic number.

It is an amenable number.

488384721 is a deficient number, since it is larger than the sum of its proper divisors (399193839).

488384721 is a wasteful number, since it uses less digits than its factorization.

488384721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1747 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 488384721 is about 22099.4280695225. The cubic root of 488384721 is about 787.5062747799.

The spelling of 488384721 in words is "four hundred eighty-eight million, three hundred eighty-four thousand, seven hundred twenty-one".