9898089 has 4 divisors (see below), whose sum is σ = 13197456. Its totient is φ = 6598724.

The previous prime is 9898087. The next prime is 9898117. The reversal of 9898089 is 9808989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9898089 - 2¹ = 9898087 is a prime.

9898089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9898081) 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, 1649679 + ... + 1649684.

It is an arithmetic number, because the mean of its divisors is an integer number (3299364).

Almost surely, 2^9898089 is an apocalyptic number.

It is an amenable number.

9898089 is a deficient number, since it is larger than the sum of its proper divisors (3299367).

9898089 is a wasteful number, since it uses less digits than its factorization.

9898089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299366.

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 9898089 is about 3146.1228520196. The cubic root of 9898089 is about 214.7091000029.

The spelling of 9898089 in words is "nine million, eight hundred ninety-eight thousand, eighty-nine".