99443271 has 8 divisors (see below), whose sum is σ = 133332480. Its totient is φ = 65924792.

The previous prime is 99443221. The next prime is 99443273. The reversal of 99443271 is 17234499.

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 99443271 - 2¹⁹ = 98918983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99443273) 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, 92055 + ... + 93128.

It is an arithmetic number, because the mean of its divisors is an integer number (16666560).

Almost surely, 2^99443271 is an apocalyptic number.

99443271 is a deficient number, since it is larger than the sum of its proper divisors (33889209).

99443271 is a wasteful number, since it uses less digits than its factorization.

99443271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185365.

The product of its digits is 54432, while the sum is 39.

The square root of 99443271 is about 9972.1246983780. The cubic root of 99443271 is about 463.2959108651.

The spelling of 99443271 in words is "ninety-nine million, four hundred forty-three thousand, two hundred seventy-one".