89927289 has 27 divisors (see below), whose sum is σ = 135774093. Its totient is φ = 57353184.

The previous prime is 89927287. The next prime is 89927293. The reversal of 89927289 is 98272998.

The square root of 89927289 is 9483.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4549689 + 85377600 = 2133^2 + 9240^2 .

It is not a de Polignac number, because 89927289 - 2¹ = 89927287 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89927281) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 824967 + ... + 825075.

Almost surely, 2^89927289 is an apocalyptic number.

89927289 is the 9483-rd square number.

89927289 is the 4742-nd centered octagonal number.

It is an amenable number.

89927289 is a deficient number, since it is larger than the sum of its proper divisors (45846804).

89927289 is a wasteful number, since it uses less digits than its factorization.

89927289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 141 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The cubic root of 89927289 is about 448.0197579110.

The spelling of 89927289 in words is "eighty-nine million, nine hundred twenty-seven thousand, two hundred eighty-nine".