96728221 has 8 divisors (see below), whose sum is σ = 101909600. Its totient is φ = 91555920.

The previous prime is 96728207. The next prime is 96728231. The reversal of 96728221 is 12282769.

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 96728221 - 2⁵ = 96728189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96728201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39295 + ... + 41683.

It is an arithmetic number, because the mean of its divisors is an integer number (12738700).

Almost surely, 2^96728221 is an apocalyptic number.

It is an amenable number.

96728221 is a deficient number, since it is larger than the sum of its proper divisors (5181379).

96728221 is a wasteful number, since it uses less digits than its factorization.

96728221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539.

The product of its digits is 24192, while the sum is 37.

The square root of 96728221 is about 9835.0506353552. The cubic root of 96728221 is about 459.0405664391.

The spelling of 96728221 in words is "ninety-six million, seven hundred twenty-eight thousand, two hundred twenty-one".