99938089 has 8 divisors (see below), whose sum is σ = 103824000. Its totient is φ = 96081552.

The previous prime is 99938057. The next prime is 99938093. The reversal of 99938089 is 98083999.

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 99938089 - 2⁵ = 99938057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99938029) 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 7 ways as a sum of consecutive naturals, for example, 279 + ... + 14140.

It is an arithmetic number, because the mean of its divisors is an integer number (12978000).

Almost surely, 2^99938089 is an apocalyptic number.

It is an amenable number.

99938089 is a deficient number, since it is larger than the sum of its proper divisors (3885911).

99938089 is a wasteful number, since it uses less digits than its factorization.

99938089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 99938089 is about 9996.9039707301. The cubic root of 99938089 is about 464.0630751179.

The spelling of 99938089 in words is "ninety-nine million, nine hundred thirty-eight thousand, eighty-nine".