89851320 has 192 divisors, whose sum is σ = 319999680. Its totient is φ = 21731328.

The previous prime is 89851319. The next prime is 89851331. The reversal of 89851320 is 2315898.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341509 + ... + 341771.

It is an arithmetic number, because the mean of its divisors is an integer number (1666665).

Almost surely, 2^89851320 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 89851320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159999840).

89851320 is an abundant number, since it is smaller than the sum of its proper divisors (230148360).

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

89851320 is a wasteful number, since it uses less digits than its factorization.

89851320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 89851320 is about 9478.9936174680. The cubic root of 89851320 is about 447.8935626182.

The spelling of 89851320 in words is "eighty-nine million, eight hundred fifty-one thousand, three hundred twenty".