96810981 has 16 divisors (see below), whose sum is σ = 132878400. Its totient is φ = 62650368.

The previous prime is 96810977. The next prime is 96810991. The reversal of 96810981 is 18901869.

It is not a de Polignac number, because 96810981 - 2² = 96810977 is a prime.

It is a super-2 number, since 2×96810981² = 18744732084364722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96810911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68005 + ... + 69413.

It is an arithmetic number, because the mean of its divisors is an integer number (8304900).

Almost surely, 2^96810981 is an apocalyptic number.

It is an amenable number.

96810981 is a deficient number, since it is larger than the sum of its proper divisors (36067419).

96810981 is a wasteful number, since it uses less digits than its factorization.

96810981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 96810981 is about 9839.2571365932. The cubic root of 96810981 is about 459.1714464357.

The spelling of 96810981 in words is "ninety-six million, eight hundred ten thousand, nine hundred eighty-one".