98565 has 8 divisors (see below), whose sum is σ = 157728. Its totient is φ = 52560.

The previous prime is 98563. The next prime is 98573. The reversal of 98565 is 56589.

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

It is not a de Polignac number, because 98565 - 2¹ = 98563 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (19716).

2⁹⁸⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

98565 is a deficient number, since it is larger than the sum of its proper divisors (59163).

98565 is a wasteful number, since it uses less digits than its factorization.

98565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579.

The product of its digits is 10800, while the sum is 33.

The square root of 98565 is about 313.9506330620. The cubic root of 98565 is about 46.1927951134.

The spelling of 98565 in words is "ninety-eight thousand, five hundred sixty-five".