89965224 has 96 divisors (see below), whose sum is σ = 266423040. Its totient is φ = 27302400.

The previous prime is 89965223. The next prime is 89965231. The reversal of 89965224 is 42256998.

It is a Cunningham number, because it is equal to 9485²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 89965224.

It is not an unprimeable number, because it can be changed into a prime (89965223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36759 + ... + 39129.

It is an arithmetic number, because the mean of its divisors is an integer number (2775240).

Almost surely, 2^89965224 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 89965224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133211520).

89965224 is an abundant number, since it is smaller than the sum of its proper divisors (176457816).

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

89965224 is a wasteful number, since it uses less digits than its factorization.

89965224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2424 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 89965224 is about 9484.9999472852. Note that the first 4 decimals coincide. The cubic root of 89965224 is about 448.0827467266.

The spelling of 89965224 in words is "eighty-nine million, nine hundred sixty-five thousand, two hundred twenty-four".