89171216 has 30 divisors (see below), whose sum is σ = 175092030. Its totient is φ = 43993984.

The previous prime is 89171213. The next prime is 89171231. The reversal of 89171216 is 61217198.

It can be written as a sum of positive squares in only one way, i.e., 86415616 + 2755600 = 9296^2 + 1660^2 .

It is not an unprimeable number, because it can be changed into a prime (89171213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109820 + ... + 110628.

It is an arithmetic number, because the mean of its divisors is an integer number (5836401).

Almost surely, 2^89171216 is an apocalyptic number.

It is an amenable number.

89171216 is a deficient number, since it is larger than the sum of its proper divisors (85920814).

89171216 is an equidigital number, since it uses as much as digits as its factorization.

89171216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 894 counting only the distinct ones).

The product of its digits is 6048, while the sum is 35.

The square root of 89171216 is about 9443.0512018097. The cubic root of 89171216 is about 446.7606317003.

The spelling of 89171216 in words is "eighty-nine million, one hundred seventy-one thousand, two hundred sixteen".