89889408 has 192 divisors, whose sum is σ = 301691520. Its totient is φ = 25159680.

The previous prime is 89889389. The next prime is 89889409. The reversal of 89889408 is 80498898.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (89889409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572466 + ... + 572622.

It is an arithmetic number, because the mean of its divisors is an integer number (1571310).

Almost surely, 2^89889408 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 89889408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150845760).

89889408 is an abundant number, since it is smaller than the sum of its proper divisors (211802112).

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

89889408 is a wasteful number, since it uses less digits than its factorization.

89889408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 240 counting only the distinct ones).

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

The square root of 89889408 is about 9481.0024786412. The cubic root of 89889408 is about 447.9568410804.

The spelling of 89889408 in words is "eighty-nine million, eight hundred eighty-nine thousand, four hundred eight".