99831273 has 16 divisors (see below), whose sum is σ = 136826880. Its totient is φ = 64720656.

The previous prime is 99831257. The next prime is 99831283. The reversal of 99831273 is 37213899.

It is not a de Polignac number, because 99831273 - 2⁴ = 99831257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99831203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12736 + ... + 19022.

It is an arithmetic number, because the mean of its divisors is an integer number (8551680).

Almost surely, 2^99831273 is an apocalyptic number.

It is an amenable number.

99831273 is a deficient number, since it is larger than the sum of its proper divisors (36995607).

99831273 is a wasteful number, since it uses less digits than its factorization.

99831273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436.

The product of its digits is 81648, while the sum is 42.

The square root of 99831273 is about 9991.5600883946. The cubic root of 99831273 is about 463.8976826144.

The spelling of 99831273 in words is "ninety-nine million, eight hundred thirty-one thousand, two hundred seventy-three".