99998693 has 8 divisors (see below), whose sum is σ = 103008576. Its totient is φ = 97020000.

The previous prime is 99998663. The next prime is 99998749. The reversal of 99998693 is 39689999.

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 99998693 - 2¹⁰ = 99997669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998603) 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, 1208 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (12876072).

Almost surely, 2^99998693 is an apocalyptic number.

It is an amenable number.

99998693 is a deficient number, since it is larger than the sum of its proper divisors (3009883).

99998693 is a wasteful number, since it uses less digits than its factorization.

99998693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15595.

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

The square root of 99998693 is about 9999.9346497865. The cubic root of 99998693 is about 464.1568611669.

The spelling of 99998693 in words is "ninety-nine million, nine hundred ninety-eight thousand, six hundred ninety-three".