96918921 has 24 divisors (see below), whose sum is σ = 161707104. Its totient is φ = 55282560.

The previous prime is 96918911. The next prime is 96918937. The reversal of 96918921 is 12981969.

It is not a de Polignac number, because 96918921 - 2⁵ = 96918889 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (96918901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27111 + ... + 30476.

It is an arithmetic number, because the mean of its divisors is an integer number (6737796).

Almost surely, 2^96918921 is an apocalyptic number.

It is an amenable number.

96918921 is a deficient number, since it is larger than the sum of its proper divisors (64788183).

96918921 is a wasteful number, since it uses less digits than its factorization.

96918921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57621 (or 57618 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 96918921 is about 9844.7407787102. The cubic root of 96918921 is about 459.3420350633.

The spelling of 96918921 in words is "ninety-six million, nine hundred eighteen thousand, nine hundred twenty-one".