89011 has 8 divisors (see below), whose sum is σ = 98784. Its totient is φ = 79680.

The previous prime is 89009. The next prime is 89017. The reversal of 89011 is 11098.

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 89011 - 2¹ = 89009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89011.

It is not an unprimeable number, because it can be changed into a prime (89017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 616.

It is an arithmetic number, because the mean of its divisors is an integer number (12348).

2⁸⁹⁰¹¹ is an apocalyptic number.

89011 is a deficient number, since it is larger than the sum of its proper divisors (9773).

89011 is a wasteful number, since it uses less digits than its factorization.

89011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 89011 is about 298.3471132758. The cubic root of 89011 is about 44.6492902882.

The spelling of 89011 in words is "eighty-nine thousand, eleven".