99998501 has 8 divisors (see below), whose sum is σ = 105355200. Its totient is φ = 94651200.

The previous prime is 99998497. The next prime is 99998513. The reversal of 99998501 is 10589999.

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 99998501 - 2² = 99998497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99998501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998551) 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, 34301 + ... + 37101.

It is an arithmetic number, because the mean of its divisors is an integer number (13169400).

Almost surely, 2^99998501 is an apocalyptic number.

It is an amenable number.

99998501 is a deficient number, since it is larger than the sum of its proper divisors (5356699).

99998501 is a wasteful number, since it uses less digits than its factorization.

99998501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 99998501 is about 9999.9250497191. The cubic root of 99998501 is about 464.1565641025.

The spelling of 99998501 in words is "ninety-nine million, nine hundred ninety-eight thousand, five hundred one".