9998383 has 4 divisors (see below), whose sum is σ = 10242288. Its totient is φ = 9754480.

The previous prime is 9998381. The next prime is 9998393. The reversal of 9998383 is 3838999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9998383 - 2¹ = 9998381 is a prime.

It is a super-2 number, since 2×9998383² = 199935325229378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121891 + ... + 121972.

It is an arithmetic number, because the mean of its divisors is an integer number (2560572).

Almost surely, 2^9998383 is an apocalyptic number.

9998383 is a deficient number, since it is larger than the sum of its proper divisors (243905).

9998383 is a wasteful number, since it uses less digits than its factorization.

9998383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243904.

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

The square root of 9998383 is about 3162.0219796833. The cubic root of 9998383 is about 215.4318559742.

The spelling of 9998383 in words is "nine million, nine hundred ninety-eight thousand, three hundred eighty-three".