89398656 has 96 divisors (see below), whose sum is σ = 261115920. Its totient is φ = 29352960.

The previous prime is 89398643. The next prime is 89398657. The reversal of 89398656 is 65689398.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89398657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81246 + ... + 82338.

Almost surely, 2^89398656 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 89398656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130557960).

89398656 is an abundant number, since it is smaller than the sum of its proper divisors (171717264).

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

89398656 is a wasteful number, since it uses less digits than its factorization.

89398656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1169 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 89398656 is about 9455.0862502676. The cubic root of 89398656 is about 447.1401449371.

The spelling of 89398656 in words is "eighty-nine million, three hundred ninety-eight thousand, six hundred fifty-six".