89605156 has 9 divisors (see below), whose sum is σ = 156842161. Its totient is φ = 44793112.

The previous prime is 89605151. The next prime is 89605169. The reversal of 89605156 is 65150698.

The square root of 89605156 is 9466.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15920100 + 73685056 = 3990^2 + 8584^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89605151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16566 + ... + 21298.

Almost surely, 2^89605156 is an apocalyptic number.

89605156 is the 9466-th square number.

It is an amenable number.

89605156 is a deficient number, since it is larger than the sum of its proper divisors (67237005).

89605156 is an frugal number, since it uses more digits than its factorization.

89605156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The cubic root of 89605156 is about 447.4841599420.

The spelling of 89605156 in words is "eighty-nine million, six hundred five thousand, one hundred fifty-six".