89986280 has 64 divisors (see below), whose sum is σ = 214704000. Its totient is φ = 33848064.

The previous prime is 89986249. The next prime is 89986283. The reversal of 89986280 is 8268998.

It is not an unprimeable number, because it can be changed into a prime (89986283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 126566 + ... + 127274.

It is an arithmetic number, because the mean of its divisors is an integer number (3354750).

Almost surely, 2^89986280 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 89986280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107352000).

89986280 is an abundant number, since it is smaller than the sum of its proper divisors (124717720).

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

89986280 is a wasteful number, since it uses less digits than its factorization.

89986280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 89986280 is about 9486.1098454530. The cubic root of 89986280 is about 448.1177013232.

The spelling of 89986280 in words is "eighty-nine million, nine hundred eighty-six thousand, two hundred eighty".