9998351 has 12 divisors (see below), whose sum is σ = 11571000. Its totient is φ = 8609040.

The previous prime is 9998333. The next prime is 9998377. The reversal of 9998351 is 1538999.

It is not a de Polignac number, because 9998351 - 2¹⁰ = 9997327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (964250).

Almost surely, 2^9998351 is an apocalyptic number.

9998351 is a deficient number, since it is larger than the sum of its proper divisors (1572649).

9998351 is a wasteful number, since it uses less digits than its factorization.

9998351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4379 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The square root of 9998351 is about 3162.0169196258. The cubic root of 9998351 is about 215.4316261429.

The spelling of 9998351 in words is "nine million, nine hundred ninety-eight thousand, three hundred fifty-one".