9998253 has 6 divisors (see below), whose sum is σ = 14441934. Its totient is φ = 6665496.

The previous prime is 9998249. The next prime is 9998273. The reversal of 9998253 is 3528999.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 9 = 3162^2 + 3^2 .

It is not a de Polignac number, because 9998253 - 2² = 9998249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9998199 and 9998208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555450 + ... + 555467.

It is an arithmetic number, because the mean of its divisors is an integer number (2406989).

Almost surely, 2^9998253 is an apocalyptic number.

It is an amenable number.

9998253 is a deficient number, since it is larger than the sum of its proper divisors (4443681).

9998253 is a wasteful number, since it uses less digits than its factorization.

9998253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110923 (or 1110920 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 9998253 is about 3162.0014231496. The cubic root of 9998253 is about 215.4309222812.

The spelling of 9998253 in words is "nine million, nine hundred ninety-eight thousand, two hundred fifty-three".