99109841 has 8 divisors (see below), whose sum is σ = 101243520. Its totient is φ = 96986032.

The previous prime is 99109831. The next prime is 99109853. The reversal of 99109841 is 14890199.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99109841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99109831) 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, 19976 + ... + 24438.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2^99109841 is an apocalyptic number.

It is an amenable number.

99109841 is a deficient number, since it is larger than the sum of its proper divisors (2133679).

99109841 is a wasteful number, since it uses less digits than its factorization.

99109841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 99109841 is about 9955.3925588095. The cubic root of 99109841 is about 462.7775257659. Note that the first 3 decimals are identical.

The spelling of 99109841 in words is "ninety-nine million, one hundred nine thousand, eight hundred forty-one".