99998965 has 8 divisors (see below), whose sum is σ = 130907808. Its totient is φ = 72726480.

The previous prime is 99998953. The next prime is 99998971. The reversal of 99998965 is 56989999.

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

It is not a de Polignac number, because 99998965 - 2⁵ = 99998933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99998897 and 99998906.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 909027 + ... + 909136.

It is an arithmetic number, because the mean of its divisors is an integer number (16363476).

Almost surely, 2^99998965 is an apocalyptic number.

It is an amenable number.

99998965 is a deficient number, since it is larger than the sum of its proper divisors (30908843).

99998965 is a wasteful number, since it uses less digits than its factorization.

99998965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818179.

The product of its digits is 14171760, while the sum is 64.

The square root of 99998965 is about 9999.9482498661. The cubic root of 99998965 is about 464.1572820076.

The spelling of 99998965 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred sixty-five".