9898025 has 6 divisors (see below), whose sum is σ = 12273582. Its totient is φ = 7918400.

The previous prime is 9898003. The next prime is 9898081. The reversal of 9898025 is 5208989.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 94864 + 9803161 = 308^2 + 3131^2 .

It is not a de Polignac number, because 9898025 - 2¹⁰ = 9897001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197936 + ... + 197985.

It is an arithmetic number, because the mean of its divisors is an integer number (2045597).

Almost surely, 2^9898025 is an apocalyptic number.

It is an amenable number.

9898025 is a deficient number, since it is larger than the sum of its proper divisors (2375557).

9898025 is a wasteful number, since it uses less digits than its factorization.

9898025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395931 (or 395926 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 9898025 is about 3146.1126807538. The cubic root of 9898025 is about 214.7086372398.

The spelling of 9898025 in words is "nine million, eight hundred ninety-eight thousand, twenty-five".