89489408 has 32 divisors (see below), whose sum is σ = 179041620. Its totient is φ = 44728320.

The previous prime is 89489399. The next prime is 89489423. The reversal of 89489408 is 80498498.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31403 + ... + 34133.

Almost surely, 2^89489408 is an apocalyptic number.

89489408 is the 5462-nd octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89489408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89520810).

89489408 is an abundant number, since it is smaller than the sum of its proper divisors (89552212).

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

89489408 is an frugal number, since it uses more digits than its factorization.

89489408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 89489408 is about 9459.8841430538. The cubic root of 89489408 is about 447.2913967975.

The spelling of 89489408 in words is "eighty-nine million, four hundred eighty-nine thousand, four hundred eight".