488855581 has 8 divisors (see below), whose sum is σ = 519381720. Its totient is φ = 459240768.

The previous prime is 488855573. The next prime is 488855597. The reversal of 488855581 is 185558884.

It can be written as a sum of positive squares in 4 ways, for example, as 255040900 + 233814681 = 15970^2 + 15291^2 .

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 488855581 - 2³ = 488855573 is a prime.

It is a super-2 number, since 2×488855581² = 477959558149695122, 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 (488855681) 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, 226726 + ... + 228871.

It is an arithmetic number, because the mean of its divisors is an integer number (64922715).

Almost surely, 2^488855581 is an apocalyptic number.

It is an amenable number.

488855581 is a deficient number, since it is larger than the sum of its proper divisors (30526139).

488855581 is a wasteful number, since it uses less digits than its factorization.

488855581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455663.

The product of its digits is 2048000, while the sum is 52.

The square root of 488855581 is about 22110.0787198960. The cubic root of 488855581 is about 787.7592762122.

The spelling of 488855581 in words is "four hundred eighty-eight million, eight hundred fifty-five thousand, five hundred eighty-one".