89285712 has 80 divisors (see below), whose sum is σ = 248079360. Its totient is φ = 27582336.

The previous prime is 89285689. The next prime is 89285723. The reversal of 89285712 is 21758298.

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, 41823 + ... + 43905.

It is an arithmetic number, because the mean of its divisors is an integer number (3100992).

Almost surely, 2^89285712 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 89285712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124039680).

89285712 is an abundant number, since it is smaller than the sum of its proper divisors (158793648).

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

89285712 is a wasteful number, since it uses less digits than its factorization.

89285712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2154 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 89285712 is about 9449.1117042820. Note that the first 3 decimals coincide. The cubic root of 89285712 is about 446.9517637343.

The spelling of 89285712 in words is "eighty-nine million, two hundred eighty-five thousand, seven hundred twelve".