98643 has 8 divisors (see below), whose sum is σ = 133056. Its totient is φ = 65000.

The previous prime is 98641. The next prime is 98663. The reversal of 98643 is 34689.

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 98643 - 2¹ = 98641 is a prime.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 98643.

It is not an unprimeable number, because it can be changed into a prime (98641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 518.

It is an arithmetic number, because the mean of its divisors is an integer number (16632).

2⁹⁸⁶⁴³ is an apocalyptic number.

98643 is a deficient number, since it is larger than the sum of its proper divisors (34413).

98643 is a wasteful number, since it uses less digits than its factorization.

98643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 5184, while the sum is 30.

The square root of 98643 is about 314.0748318474. The cubic root of 98643 is about 46.2049768818.

It can be divided in two parts, 9864 and 3, that multiplied together give a palindrome (29592).

The spelling of 98643 in words is "ninety-eight thousand, six hundred forty-three".