99998113 has 4 divisors (see below), whose sum is σ = 100286640. Its totient is φ = 99709588.

The previous prime is 99998111. The next prime is 99998147. The reversal of 99998113 is 31189999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99998113 - 2¹ = 99998111 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99998111) 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, 143743 + ... + 144436.

It is an arithmetic number, because the mean of its divisors is an integer number (25071660).

Almost surely, 2^99998113 is an apocalyptic number.

It is an amenable number.

99998113 is a deficient number, since it is larger than the sum of its proper divisors (288527).

99998113 is a wasteful number, since it uses less digits than its factorization.

99998113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288526.

The product of its digits is 157464, while the sum is 49.

The square root of 99998113 is about 9999.9056495549. The cubic root of 99998113 is about 464.1559637835.

The spelling of 99998113 in words is "ninety-nine million, nine hundred ninety-eight thousand, one hundred thirteen".