9998338 has 16 divisors (see below), whose sum is σ = 17190144. Its totient is φ = 4272480.

The previous prime is 9998333. The next prime is 9998377. The reversal of 9998338 is 8338999.

It is a junction number, because it is equal to n+sod(n) for n = 9998291 and 9998300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998333) 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, 5206 + ... + 6862.

It is an arithmetic number, because the mean of its divisors is an integer number (1074384).

Almost surely, 2^9998338 is an apocalyptic number.

9998338 is a deficient number, since it is larger than the sum of its proper divisors (7191806).

9998338 is a wasteful number, since it uses less digits than its factorization.

9998338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its digits is 419904, while the sum is 49.

The square root of 9998338 is about 3162.0148639752. The cubic root of 9998338 is about 215.4315327737.

The spelling of 9998338 in words is "nine million, nine hundred ninety-eight thousand, three hundred thirty-eight".