96390981 has 12 divisors (see below), whose sum is σ = 140994880. Its totient is φ = 63446760.

The previous prime is 96390977. The next prime is 96390991. The reversal of 96390981 is 18909369.

96390981 is a `hidden beast` number, since 9 + 639 + 0 + 9 + 8 + 1 = 666.

It is not a de Polignac number, because 96390981 - 2² = 96390977 is a prime.

It is a super-3 number, since 3×96390981³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96390911) by changing a digit.

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, 67075 + ... + 68496.

Almost surely, 2^96390981 is an apocalyptic number.

It is an amenable number.

96390981 is a deficient number, since it is larger than the sum of its proper divisors (44603899).

96390981 is a wasteful number, since it uses less digits than its factorization.

96390981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135656 (or 135653 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 96390981 is about 9817.8908631131. The cubic root of 96390981 is about 458.5064682615.

The spelling of 96390981 in words is "ninety-six million, three hundred ninety thousand, nine hundred eighty-one".