9802089 has 18 divisors (see below), whose sum is σ = 15564458. Its totient is φ = 5940000.

The previous prime is 9802073. The next prime is 9802097.

9802089 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 2832489 = 2640^2 + 1683^2 .

It is not a de Polignac number, because 9802089 - 2⁴ = 9802073 is a prime.

It is a Duffinian number.

9802089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9802019) 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 17 ways as a sum of consecutive naturals, for example, 3412 + ... + 5589.

Almost surely, 2^9802089 is an apocalyptic number.

9802089 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9802089 is a deficient number, since it is larger than the sum of its proper divisors (5762369).

9802089 is a wasteful number, since it uses less digits than its factorization.

9802089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029 (or 9015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9802089 is about 3130.8288040070. The cubic root of 9802089 is about 214.0127005011.

The spelling of 9802089 in words is "nine million, eight hundred two thousand, eighty-nine".