99004191 has 16 divisors (see below), whose sum is σ = 155084160. Its totient is φ = 55386720.

The previous prime is 99004163. The next prime is 99004201. The reversal of 99004191 is 19140099.

It is not a de Polignac number, because 99004191 - 2⁶ = 99004127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99009191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114961 + ... + 115818.

It is an arithmetic number, because the mean of its divisors is an integer number (9692760).

Almost surely, 2^99004191 is an apocalyptic number.

99004191 is a deficient number, since it is larger than the sum of its proper divisors (56079969).

99004191 is a wasteful number, since it uses less digits than its factorization.

99004191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230806.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 99004191 is about 9950.0849745115. The cubic root of 99004191 is about 462.6130287179.

The spelling of 99004191 in words is "ninety-nine million, four thousand, one hundred ninety-one".