97981296 has 80 divisors (see below), whose sum is σ = 290481408. Its totient is φ = 27878400.

The previous prime is 97981243. The next prime is 97981321. The reversal of 97981296 is 69218979.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110776 + ... + 111656.

Almost surely, 2^97981296 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 97981296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145240704).

97981296 is an abundant number, since it is smaller than the sum of its proper divisors (192500112).

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

97981296 is a wasteful number, since it uses less digits than its factorization.

97981296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1224 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The square root of 97981296 is about 9898.5501968723. The cubic root of 97981296 is about 461.0142961830.

The spelling of 97981296 in words is "ninety-seven million, nine hundred eighty-one thousand, two hundred ninety-six".