981584488 has 32 divisors (see below), whose sum is σ = 1950366600. Its totient is φ = 461535232.

The previous prime is 981584467. The next prime is 981584531. The reversal of 981584488 is 884485189.

It can be written as a sum of positive squares in 4 ways, for example, as 472540644 + 509043844 = 21738^2 + 22562^2 .

It is an unprimeable number.

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, 220428 + ... + 224836.

Almost surely, 2^981584488 is an apocalyptic number.

It is an amenable number.

981584488 is a deficient number, since it is larger than the sum of its proper divisors (968782112).

981584488 is a wasteful number, since it uses less digits than its factorization.

981584488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069 (or 6065 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 55.

The square root of 981584488 is about 31330.2487701582. The cubic root of 981584488 is about 993.8234244602.

The spelling of 981584488 in words is "nine hundred eighty-one million, five hundred eighty-four thousand, four hundred eighty-eight".