9872898 has 16 divisors (see below), whose sum is σ = 22566720. Its totient is φ = 2820816.

The previous prime is 9872887. The next prime is 9872899. The reversal of 9872898 is 8982789.

It is a super-2 number, since 2×9872898² = 194948229836808, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9872898.

It is not an unprimeable number, because it can be changed into a prime (9872899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117493 + ... + 117576.

It is an arithmetic number, because the mean of its divisors is an integer number (1410420).

Almost surely, 2^9872898 is an apocalyptic number.

9872898 is an abundant number, since it is smaller than the sum of its proper divisors (12693822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9872898 is a wasteful number, since it uses less digits than its factorization.

9872898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235081.

The product of its digits is 580608, while the sum is 51.

The square root of 9872898 is about 3142.1168024120. The cubic root of 9872898 is about 214.5267977452.

The spelling of 9872898 in words is "nine million, eight hundred seventy-two thousand, eight hundred ninety-eight".