89018944 has 56 divisors (see below), whose sum is σ = 206621888. Its totient is φ = 37255680.

The previous prime is 89018939. The next prime is 89018977. The reversal of 89018944 is 44981098.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 89018944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16954 + ... + 21574.

Almost surely, 2^89018944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89018944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103310944).

89018944 is an abundant number, since it is smaller than the sum of its proper divisors (117602944).

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

89018944 is a wasteful number, since it uses less digits than its factorization.

89018944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 89018944 is about 9434.9851086263. The cubic root of 89018944 is about 446.5061852628.

The spelling of 89018944 in words is "eighty-nine million, eighteen thousand, nine hundred forty-four".