488218721 has 8 divisors (see below), whose sum is σ = 506757888. Its totient is φ = 469854000.

The previous prime is 488218651. The next prime is 488218727. The reversal of 488218721 is 127812884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488218721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488218727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37895 + ... + 49116.

It is an arithmetic number, because the mean of its divisors is an integer number (63344736).

Almost surely, 2^488218721 is an apocalyptic number.

It is an amenable number.

488218721 is a deficient number, since it is larger than the sum of its proper divisors (18539167).

488218721 is a wasteful number, since it uses less digits than its factorization.

488218721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87223.

The product of its digits is 57344, while the sum is 41.

The square root of 488218721 is about 22095.6719970224. The cubic root of 488218721 is about 787.4170412653.

The spelling of 488218721 in words is "four hundred eighty-eight million, two hundred eighteen thousand, seven hundred twenty-one".