99998098 has 8 divisors (see below), whose sum is σ = 153655740. Its totient is φ = 48779520.

The previous prime is 99998071. The next prime is 99998099. The reversal of 99998098 is 89089999.

It can be written as a sum of positive squares in 2 ways, for example, as 97555129 + 2442969 = 9877^2 + 1563^2 .

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

It is not an unprimeable number, because it can be changed into a prime (99998099) 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, 609663 + ... + 609826.

Almost surely, 2^99998098 is an apocalyptic number.

99998098 is a deficient number, since it is larger than the sum of its proper divisors (53657642).

99998098 is a wasteful number, since it uses less digits than its factorization.

99998098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219532.

The product of its (nonzero) digits is 3779136, while the sum is 61.

The square root of 99998098 is about 9999.9048995478. The cubic root of 99998098 is about 464.1559405753.

The spelling of 99998098 in words is "ninety-nine million, nine hundred ninety-eight thousand, ninety-eight".