89449638 has 8 divisors (see below), whose sum is σ = 178899288. Its totient is φ = 29816544.

The previous prime is 89449603. The next prime is 89449639. The reversal of 89449638 is 83694498.

It is a happy number.

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

89449638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89449639) 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 3 ways as a sum of consecutive naturals, for example, 7454131 + ... + 7454142.

It is an arithmetic number, because the mean of its divisors is an integer number (22362411).

Almost surely, 2^89449638 is an apocalyptic number.

89449638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89449638 is a wasteful number, since it uses less digits than its factorization.

89449638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14908278.

The product of its digits is 1492992, while the sum is 51.

The square root of 89449638 is about 9457.7818752602. The cubic root of 89449638 is about 447.2251267026.

The spelling of 89449638 in words is "eighty-nine million, four hundred forty-nine thousand, six hundred thirty-eight".