89408189 has 8 divisors (see below), whose sum is σ = 99606360. Its totient is φ = 79684416.

The previous prime is 89408183. The next prime is 89408197. The reversal of 89408189 is 98180498.

It can be written as a sum of positive squares in 4 ways, for example, as 23522500 + 65885689 = 4850^2 + 8117^2 .

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 89408189 - 2¹⁶ = 89342653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89408183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118202 + ... + 118955.

It is an arithmetic number, because the mean of its divisors is an integer number (12450795).

Almost surely, 2^89408189 is an apocalyptic number.

It is an amenable number.

89408189 is a deficient number, since it is larger than the sum of its proper divisors (10198171).

89408189 is a wasteful number, since it uses less digits than its factorization.

89408189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237199.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 89408189 is about 9455.5903570322. The cubic root of 89408189 is about 447.1560379258.

The spelling of 89408189 in words is "eighty-nine million, four hundred eight thousand, one hundred eighty-nine".