99434099 has 4 divisors (see below), whose sum is σ = 99716136. Its totient is φ = 99152064.

The previous prime is 99434063. The next prime is 99434113. The reversal of 99434099 is 99043499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99043499 = 97 ⋅1021067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99434099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99434029) 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, 140489 + ... + 141194.

It is an arithmetic number, because the mean of its divisors is an integer number (24929034).

Almost surely, 2^99434099 is an apocalyptic number.

99434099 is a deficient number, since it is larger than the sum of its proper divisors (282037).

99434099 is a wasteful number, since it uses less digits than its factorization.

99434099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282036.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 99434099 is about 9971.6648058386. The cubic root of 99434099 is about 463.2816666275.

The spelling of 99434099 in words is "ninety-nine million, four hundred thirty-four thousand, ninety-nine".