89909512 has 96 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 33774720.

The previous prime is 89909497. The next prime is 89909513. The reversal of 89909512 is 21590998.

It is not an unprimeable number, because it can be changed into a prime (89909513) 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 23 ways as a sum of consecutive naturals, for example, 124689 + ... + 125407.

It is an arithmetic number, because the mean of its divisors is an integer number (2308500).

Almost surely, 2^89909512 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 89909512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110808000).

89909512 is an abundant number, since it is smaller than the sum of its proper divisors (131706488).

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

89909512 is a wasteful number, since it uses less digits than its factorization.

89909512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 89909512 is about 9482.0626448047. The cubic root of 89909512 is about 447.9902341621.

The spelling of 89909512 in words is "eighty-nine million, nine hundred nine thousand, five hundred twelve".