89131224 has 128 divisors (see below), whose sum is σ = 281917440. Its totient is φ = 22851072.

The previous prime is 89131193. The next prime is 89131243. The reversal of 89131224 is 42213198.

It is a junction number, because it is equal to n+sod(n) for n = 89131191 and 89131200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80257 + ... + 81359.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^89131224 is an apocalyptic number.

89131224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89131224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140958720).

89131224 is an abundant number, since it is smaller than the sum of its proper divisors (192786216).

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

89131224 is a wasteful number, since it uses less digits than its factorization.

89131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1165 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 89131224 is about 9440.9334284275. The cubic root of 89131224 is about 446.6938331538.

The spelling of 89131224 in words is "eighty-nine million, one hundred thirty-one thousand, two hundred twenty-four".