99432085 has 4 divisors (see below), whose sum is σ = 119318508. Its totient is φ = 79545664.

The previous prime is 99432083. The next prime is 99432107. The reversal of 99432085 is 58023499.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47692836 + 51739249 = 6906^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 99432085 - 2¹ = 99432083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99432083) 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, 9943204 + ... + 9943213.

It is an arithmetic number, because the mean of its divisors is an integer number (29829627).

Almost surely, 2^99432085 is an apocalyptic number.

It is an amenable number.

99432085 is a deficient number, since it is larger than the sum of its proper divisors (19886423).

99432085 is a wasteful number, since it uses less digits than its factorization.

99432085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886422.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 99432085 is about 9971.5638191810. The cubic root of 99432085 is about 463.2785387415.

The spelling of 99432085 in words is "ninety-nine million, four hundred thirty-two thousand, eighty-five".