89665416 has 24 divisors (see below), whose sum is σ = 242844030. Its totient is φ = 29888448.

The previous prime is 89665399. The next prime is 89665441. The reversal of 89665416 is 61456698.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 34222500 = 7446^2 + 5850^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622605 + ... + 622748.

Almost surely, 2^89665416 is an apocalyptic number.

It is an amenable number.

89665416 is an abundant number, since it is smaller than the sum of its proper divisors (153178614).

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

89665416 is a wasteful number, since it uses less digits than its factorization.

89665416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245365 (or 1245358 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 89665416 is about 9469.1824356699. The cubic root of 89665416 is about 447.5844493827.

The spelling of 89665416 in words is "eighty-nine million, six hundred sixty-five thousand, four hundred sixteen".