89643216 has 80 divisors (see below), whose sum is σ = 262552640. Its totient is φ = 26127360.

The previous prime is 89643199. The next prime is 89643223. The reversal of 89643216 is 61234698.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8076 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (3281908).

Almost surely, 2^89643216 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 89643216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131276320).

89643216 is an abundant number, since it is smaller than the sum of its proper divisors (172909424).

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

89643216 is a wasteful number, since it uses less digits than its factorization.

89643216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7598 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 89643216 is about 9468.0101394116. The cubic root of 89643216 is about 447.5475076224.

The spelling of 89643216 in words is "eighty-nine million, six hundred forty-three thousand, two hundred sixteen".