99795921 has 8 divisors (see below), whose sum is σ = 133107744. Its totient is φ = 66507360.

The previous prime is 99795911. The next prime is 99795929. The reversal of 99795921 is 12959799.

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

It is not a de Polignac number, because 99795921 - 2⁵ = 99795889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99795929) 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, 11970 + ... + 18516.

It is an arithmetic number, because the mean of its divisors is an integer number (16638468).

Almost surely, 2^99795921 is an apocalyptic number.

It is an amenable number.

99795921 is a deficient number, since it is larger than the sum of its proper divisors (33311823).

99795921 is a wasteful number, since it uses less digits than its factorization.

99795921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631.

The product of its digits is 459270, while the sum is 51.

The square root of 99795921 is about 9989.7908386512. The cubic root of 99795921 is about 463.8429180549.

The spelling of 99795921 in words is "ninety-nine million, seven hundred ninety-five thousand, nine hundred twenty-one".