89844 has 12 divisors (see below), whose sum is σ = 209664. Its totient is φ = 29944.

The previous prime is 89839. The next prime is 89849. The reversal of 89844 is 44898.

It is an interprime number because it is at equal distance from previous prime (89839) and next prime (89849).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89844.

It is not an unprimeable number, because it can be changed into a prime (89849) 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 3 ways as a sum of consecutive naturals, for example, 3732 + ... + 3755.

It is an arithmetic number, because the mean of its divisors is an integer number (17472).

2⁸⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

89844 is an abundant number, since it is smaller than the sum of its proper divisors (119820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104832).

89844 is a wasteful number, since it uses less digits than its factorization.

89844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494 (or 7492 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 89844 is about 299.7398872356. The cubic root of 89844 is about 44.7881399302.

The spelling of 89844 in words is "eighty-nine thousand, eight hundred forty-four".