89344428 has 12 divisors (see below), whose sum is σ = 208470360. Its totient is φ = 29781472.

The previous prime is 89344399. The next prime is 89344439. The reversal of 89344428 is 82444398.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89344428.

It is an unprimeable number.

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, 3722673 + ... + 3722696.

It is an arithmetic number, because the mean of its divisors is an integer number (17372530).

Almost surely, 2^89344428 is an apocalyptic number.

It is an amenable number.

89344428 is an abundant number, since it is smaller than the sum of its proper divisors (119125932).

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

89344428 is a wasteful number, since it uses less digits than its factorization.

89344428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445376 (or 7445374 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 89344428 is about 9452.2181523704. The cubic root of 89344428 is about 447.0497169551.

The spelling of 89344428 in words is "eighty-nine million, three hundred forty-four thousand, four hundred twenty-eight".