9998853 has 8 divisors (see below), whose sum is σ = 13352928. Its totient is φ = 6655344.

The previous prime is 9998851. The next prime is 9998861. The reversal of 9998853 is 3588999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9998853 - 2¹ = 9998851 is a prime.

It is a super-2 number, since 2×9998853² = 199954122631218, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9998796 and 9998805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998851) 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, 75 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (1669116).

Almost surely, 2^9998853 is an apocalyptic number.

It is an amenable number.

9998853 is a deficient number, since it is larger than the sum of its proper divisors (3354075).

9998853 is a wasteful number, since it uses less digits than its factorization.

9998853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its digits is 699840, while the sum is 51.

The square root of 9998853 is about 3162.0962983439. The cubic root of 9998853 is about 215.4352315663.

The spelling of 9998853 in words is "nine million, nine hundred ninety-eight thousand, eight hundred fifty-three".