9883998 has 16 divisors (see below), whose sum is σ = 21964560. Its totient is φ = 3294648.

The previous prime is 9883967. The next prime is 9884003. The reversal of 9883998 is 8993889.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 183037 = 9883998 / (9 + 8 + 8 + 3 + 9 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91465 + ... + 91572.

It is an arithmetic number, because the mean of its divisors is an integer number (1372785).

Almost surely, 2^9883998 is an apocalyptic number.

9883998 is an abundant number, since it is smaller than the sum of its proper divisors (12080562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9883998 is a wasteful number, since it uses less digits than its factorization.

9883998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183048 (or 183042 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 9883998 is about 3143.8826313970. The cubic root of 9883998 is about 214.6071644085.

The spelling of 9883998 in words is "nine million, eight hundred eighty-three thousand, nine hundred ninety-eight".