99999098 has 8 divisors (see below), whose sum is σ = 152111520. Its totient is φ = 49295260.

The previous prime is 99999089. The next prime is 99999103. The reversal of 99999098 is 89099999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99999098.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351968 + ... + 352251.

It is an arithmetic number, because the mean of its divisors is an integer number (19013940).

Almost surely, 2^99999098 is an apocalyptic number.

99999098 is a deficient number, since it is larger than the sum of its proper divisors (52112422).

99999098 is a wasteful number, since it uses less digits than its factorization.

99999098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704292.

The product of its (nonzero) digits is 4251528, while the sum is 62.

The square root of 99999098 is about 9999.9548998983. The cubic root of 99999098 is about 464.1574877860.

The spelling of 99999098 in words is "ninety-nine million, nine hundred ninety-nine thousand, ninety-eight".