99041971 has 4 divisors (see below), whose sum is σ = 113190832. Its totient is φ = 84893112.

The previous prime is 99041909. The next prime is 99041977. The reversal of 99041971 is 17914099.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99041971 - 2⁷ = 99041843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99041977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7074420 + ... + 7074433.

It is an arithmetic number, because the mean of its divisors is an integer number (28297708).

Almost surely, 2^99041971 is an apocalyptic number.

99041971 is a deficient number, since it is larger than the sum of its proper divisors (14148861).

99041971 is a wasteful number, since it uses less digits than its factorization.

99041971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14148860.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 99041971 is about 9951.9832696805. The cubic root of 99041971 is about 462.6718656128.

The spelling of 99041971 in words is "ninety-nine million, forty-one thousand, nine hundred seventy-one".