488981581 has 8 divisors (see below), whose sum is σ = 536709024. Its totient is φ = 441799920.

The previous prime is 488981579. The next prime is 488981609. The reversal of 488981581 is 185189884.

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

It is a cyclic number.

It is not a de Polignac number, because 488981581 - 2¹ = 488981579 is a prime.

It is a super-2 number, since 2×488981581² = 478205973114519122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488981981) 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 7 ways as a sum of consecutive naturals, for example, 134566 + ... + 138151.

It is an arithmetic number, because the mean of its divisors is an integer number (67088628).

Almost surely, 2^488981581 is an apocalyptic number.

It is an amenable number.

488981581 is a deficient number, since it is larger than the sum of its proper divisors (47727443).

488981581 is a wasteful number, since it uses less digits than its factorization.

488981581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272891.

The product of its digits is 737280, while the sum is 52.

The square root of 488981581 is about 22112.9279155882. The cubic root of 488981581 is about 787.8269506926.

The spelling of 488981581 in words is "four hundred eighty-eight million, nine hundred eighty-one thousand, five hundred eighty-one".