89403328 has 56 divisors (see below), whose sum is σ = 203984352. Its totient is φ = 38083584.

The previous prime is 89403263. The next prime is 89403331. The reversal of 89403328 is 82330498.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87750 + ... + 88762.

Almost surely, 2^89403328 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 89403328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101992176).

89403328 is an abundant number, since it is smaller than the sum of its proper divisors (114581024).

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

89403328 is a wasteful number, since it uses less digits than its factorization.

89403328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 89403328 is about 9455.3333098310. Note that the first 4 decimals coincide. The cubic root of 89403328 is about 447.1479340265.

The spelling of 89403328 in words is "eighty-nine million, four hundred three thousand, three hundred twenty-eight".