981459648 has 84 divisors (see below), whose sum is σ = 3029598208. Its totient is φ = 301985280.

The previous prime is 981459637. The next prime is 981459707. The reversal of 981459648 is 846954189.

981459648 is a `hidden beast` number, since 9 + 8 + 1 + 4 + 596 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 981459594 and 981459603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58048 + ... + 73023.

Almost surely, 2^981459648 is an apocalyptic number.

It is an amenable number.

981459648 is an abundant number, since it is smaller than the sum of its proper divisors (2048138560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981459648 is a wasteful number, since it uses less digits than its factorization.

981459648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131102 (or 131089 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 981459648 is about 31328.2563830163. The cubic root of 981459648 is about 993.7812904826.

The spelling of 981459648 in words is "nine hundred eighty-one million, four hundred fifty-nine thousand, six hundred forty-eight".