9828289 has 4 divisors (see below), whose sum is σ = 9839556. Its totient is φ = 9817024.

The previous prime is 9828283. The next prime is 9828293.

It is a happy number.

9828289 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 5760000 = 2017^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 9828289 - 2⁵ = 9828257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9828283) 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, 4204 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (2459889).

Almost surely, 2^9828289 is an apocalyptic number.

It is an amenable number.

9828289 is a deficient number, since it is larger than the sum of its proper divisors (11267).

9828289 is a wasteful number, since it uses less digits than its factorization.

9828289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266.

The product of its digits is 165888, while the sum is 46.

The square root of 9828289 is about 3135.0102073199. The cubic root of 9828289 is about 214.2032090206.

The spelling of 9828289 in words is "nine million, eight hundred twenty-eight thousand, two hundred eighty-nine".