89923648 has 42 divisors (see below), whose sum is σ = 181724046. Its totient is φ = 44149248.

The previous prime is 89923601. The next prime is 89923651. The reversal of 89923648 is 84632998.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 41370624 = 6968^2 + 6432^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287140 + ... + 287452.

It is an arithmetic number, because the mean of its divisors is an integer number (4326763).

Almost surely, 2^89923648 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 89923648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90862023).

89923648 is an abundant number, since it is smaller than the sum of its proper divisors (91800398).

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

89923648 is an equidigital number, since it uses as much as digits as its factorization.

89923648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 382 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 89923648 is about 9482.8080229434. The cubic root of 89923648 is about 448.0137113150.

The spelling of 89923648 in words is "eighty-nine million, nine hundred twenty-three thousand, six hundred forty-eight".