89804988 has 144 divisors (see below), whose sum is σ = 283745280. Its totient is φ = 23317632.

The previous prime is 89804987. The next prime is 89805019. The reversal of 89804988 is 88940898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89804987) 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 47 ways as a sum of consecutive naturals, for example, 258631 + ... + 258977.

Almost surely, 2^89804988 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 89804988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141872640).

89804988 is an abundant number, since it is smaller than the sum of its proper divisors (193940292).

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

89804988 is a wasteful number, since it uses less digits than its factorization.

89804988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 89804988 is about 9476.5493720024. The cubic root of 89804988 is about 447.8165636660.

The spelling of 89804988 in words is "eighty-nine million, eight hundred four thousand, nine hundred eighty-eight".