89418 has 16 divisors (see below), whose sum is σ = 204480. Its totient is φ = 25536.

The previous prime is 89417. The next prime is 89431. The reversal of 89418 is 81498.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (89413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (12780).

2⁸⁹⁴¹⁸ is an apocalyptic number.

89418 is an abundant number, since it is smaller than the sum of its proper divisors (115062).

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 (102240).

89418 is a wasteful number, since it uses less digits than its factorization.

89418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its digits is 2304, while the sum is 30.

The square root of 89418 is about 299.0284267423. The cubic root of 89418 is about 44.7172393204.

The spelling of 89418 in words is "eighty-nine thousand, four hundred eighteen".