96643921 has 8 divisors (see below), whose sum is σ = 109065600. Its totient is φ = 84828240.

The previous prime is 96643909. The next prime is 96643931. The reversal of 96643921 is 12934669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 96643921 - 2²⁵ = 63089489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96643901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151161 + ... + 151798.

It is an arithmetic number, because the mean of its divisors is an integer number (13633200).

Almost surely, 2^96643921 is an apocalyptic number.

It is an amenable number.

96643921 is a deficient number, since it is larger than the sum of its proper divisors (12421679).

96643921 is a wasteful number, since it uses less digits than its factorization.

96643921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302999.

The product of its digits is 69984, while the sum is 40.

The square root of 96643921 is about 9830.7640089670. The cubic root of 96643921 is about 458.9071742519.

The spelling of 96643921 in words is "ninety-six million, six hundred forty-three thousand, nine hundred twenty-one".