99299089 has 8 divisors (see below), whose sum is σ = 102625992. Its totient is φ = 96015360.

The previous prime is 99299071. The next prime is 99299093. The reversal of 99299089 is 98099299.

It can be written as a sum of positive squares in 4 ways, for example, as 20178064 + 79121025 = 4492^2 + 8895^2 .

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 99299089 - 2⁷ = 99298961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99299099) 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, 6084 + ... + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (12828249).

Almost surely, 2^99299089 is an apocalyptic number.

It is an amenable number.

99299089 is a deficient number, since it is larger than the sum of its proper divisors (3326903).

99299089 is a wasteful number, since it uses less digits than its factorization.

99299089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21587.

The product of its (nonzero) digits is 944784, while the sum is 55.

The square root of 99299089 is about 9964.8928243108. The cubic root of 99299089 is about 463.0718928895.

The spelling of 99299089 in words is "ninety-nine million, two hundred ninety-nine thousand, eighty-nine".