97981696 has 36 divisors (see below), whose sum is σ = 196322112. Its totient is φ = 48805376.

The previous prime is 97981657. The next prime is 97981703. The reversal of 97981696 is 69618979.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88281 + ... + 89383.

It is an arithmetic number, because the mean of its divisors is an integer number (5453392).

Almost surely, 2^97981696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97981696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98161056).

97981696 is an abundant number, since it is smaller than the sum of its proper divisors (98340416).

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

97981696 is a wasteful number, since it uses less digits than its factorization.

97981696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1452 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 97981696 is about 9898.5704018308. The cubic root of 97981696 is about 461.0149235322.

The spelling of 97981696 in words is "ninety-seven million, nine hundred eighty-one thousand, six hundred ninety-six".