99998963 has 16 divisors (see below), whose sum is σ = 108595200. Its totient is φ = 91808640.

The previous prime is 99998953. The next prime is 99998971. The reversal of 99998963 is 36989999.

It is a de Polignac number, because none of the positive numbers 2^k-99998963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99998896 and 99998905.

It is not an unprimeable number, because it can be changed into a prime (99998933) 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 15 ways as a sum of consecutive naturals, for example, 98603 + ... + 99611.

It is an arithmetic number, because the mean of its divisors is an integer number (6787200).

Almost surely, 2^99998963 is an apocalyptic number.

99998963 is a deficient number, since it is larger than the sum of its proper divisors (8596237).

99998963 is a wasteful number, since it uses less digits than its factorization.

99998963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 8503056, while the sum is 62.

The square root of 99998963 is about 9999.9481498656. The cubic root of 99998963 is about 464.1572789132.

The spelling of 99998963 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred sixty-three".