99998463 has 8 divisors (see below), whose sum is σ = 140348800. Its totient is φ = 63156888.

The previous prime is 99998449. The next prime is 99998473. The reversal of 99998463 is 36489999.

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

It is not a de Polignac number, because 99998463 - 2⁴ = 99998447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1754359 = 99998463 / (9 + 9 + 9 + 9 + 8 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877123 + ... + 877236.

It is an arithmetic number, because the mean of its divisors is an integer number (17543600).

Almost surely, 2^99998463 is an apocalyptic number.

99998463 is a deficient number, since it is larger than the sum of its proper divisors (40350337).

99998463 is a wasteful number, since it uses less digits than its factorization.

99998463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754381.

The product of its digits is 3779136, while the sum is 57.

The square root of 99998463 is about 9999.9231497047. The cubic root of 99998463 is about 464.1565053084.

The spelling of 99998463 in words is "ninety-nine million, nine hundred ninety-eight thousand, four hundred sixty-three".