99431170 has 16 divisors (see below), whose sum is σ = 179729280. Its totient is φ = 39605104.

The previous prime is 99431131. The next prime is 99431207. The reversal of 99431170 is 7113499.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18412 + ... + 23191.

It is an arithmetic number, because the mean of its divisors is an integer number (11233080).

Almost surely, 2^99431170 is an apocalyptic number.

99431170 is a deficient number, since it is larger than the sum of its proper divisors (80298110).

99431170 is a wasteful number, since it uses less digits than its factorization.

99431170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41849.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 99431170 is about 9971.5179386089. The cubic root of 99431170 is about 463.2771176672.

The spelling of 99431170 in words is "ninety-nine million, four hundred thirty-one thousand, one hundred seventy".