99998969 has 8 divisors (see below), whose sum is σ = 116441280. Its totient is φ = 84095856.

The previous prime is 99998953. The next prime is 99998971. The reversal of 99998969 is 96989999.

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 99998969 - 2⁴ = 99998953 is a prime.

It is a super-2 number, since 2×99998969² = 19999587602125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99998899 and 99998908.

It is not an unprimeable number, because it can be changed into a prime (99998909) by changing a digit.

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, 134399 + ... + 135140.

It is an arithmetic number, because the mean of its divisors is an integer number (14555160).

Almost surely, 2^99998969 is an apocalyptic number.

It is an amenable number.

99998969 is a deficient number, since it is larger than the sum of its proper divisors (16442311).

99998969 is a wasteful number, since it uses less digits than its factorization.

99998969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269599.

The product of its digits is 25509168, while the sum is 68.

The square root of 99998969 is about 9999.9484498671. The cubic root of 99998969 is about 464.1572881964.

The spelling of 99998969 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred sixty-nine".