9027289 has 4 divisors (see below), whose sum is σ = 9558324. Its totient is φ = 8496256.

The previous prime is 9027283. The next prime is 9027301. The reversal of 9027289 is 9827209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9827209 = 7 ⋅1403887.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 4032064 = 2235^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 9027289 - 2¹¹ = 9025241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9027283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265492 + ... + 265525.

It is an arithmetic number, because the mean of its divisors is an integer number (2389581).

Almost surely, 2^9027289 is an apocalyptic number.

It is an amenable number.

9027289 is a deficient number, since it is larger than the sum of its proper divisors (531035).

9027289 is a wasteful number, since it uses less digits than its factorization.

9027289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531034.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9027289 is about 3004.5447242469. The cubic root of 9027289 is about 208.2184050197.

It can be divided in two parts, 9027 and 289, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 9027289 in words is "nine million, twenty-seven thousand, two hundred eighty-nine".