89105 has 8 divisors (see below), whose sum is σ = 108864. Its totient is φ = 70000.

The previous prime is 89101. The next prime is 89107. The reversal of 89105 is 50198.

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

It is not a de Polignac number, because 89105 - 2² = 89101 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89101) 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, 230 + ... + 480.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2⁸⁹¹⁰⁵ is an apocalyptic number.

It is an amenable number.

89105 is a deficient number, since it is larger than the sum of its proper divisors (19759).

89105 is a wasteful number, since it uses less digits than its factorization.

89105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 89105 is about 298.5046063296. The cubic root of 89105 is about 44.6650020419.

The spelling of 89105 in words is "eighty-nine thousand, one hundred five".