97985648 has 20 divisors (see below), whose sum is σ = 194263608. Its totient is φ = 47853120.

The previous prime is 97985639. The next prime is 97985653. The reversal of 97985648 is 84658979.

It is a junction number, because it is equal to n+sod(n) for n = 97985593 and 97985602.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 70523 + ... + 71898.

Almost surely, 2^97985648 is an apocalyptic number.

It is an amenable number.

97985648 is a deficient number, since it is larger than the sum of its proper divisors (96277960).

97985648 is a wasteful number, since it uses less digits than its factorization.

97985648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142472 (or 142466 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 97985648 is about 9898.7700246041. The cubic root of 97985648 is about 461.0211216507.

The spelling of 97985648 in words is "ninety-seven million, nine hundred eighty-five thousand, six hundred forty-eight".