9898085 has 4 divisors (see below), whose sum is σ = 11877708. Its totient is φ = 7918464.

The previous prime is 9898081. The next prime is 9898087. The reversal of 9898085 is 5808989.

It is a happy number.

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 4056196 + 5841889 = 2014^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 9898085 - 2² = 9898081 is a prime.

It is a Duffinian number.

It is a congruent 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, 989804 + ... + 989813.

It is an arithmetic number, because the mean of its divisors is an integer number (2969427).

Almost surely, 2^9898085 is an apocalyptic number.

It is an amenable number.

9898085 is a deficient number, since it is larger than the sum of its proper divisors (1979623).

9898085 is a wasteful number, since it uses less digits than its factorization.

9898085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979622.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 9898085 is about 3146.1222163165. The cubic root of 9898085 is about 214.7090710803.

The spelling of 9898085 in words is "nine million, eight hundred ninety-eight thousand, eighty-five".