9869998 has 8 divisors (see below), whose sum is σ = 14856408. Its totient is φ = 4917864.

The previous prime is 9869969. The next prime is 9869999. The reversal of 9869998 is 8999689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9869999) 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 3 ways as a sum of consecutive naturals, for example, 7836 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (1857051).

Almost surely, 2^9869998 is an apocalyptic number.

9869998 is a deficient number, since it is larger than the sum of its proper divisors (4986410).

9869998 is a wasteful number, since it uses less digits than its factorization.

9869998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138.

The product of its digits is 2519424, while the sum is 58.

The square root of 9869998 is about 3141.6552961775. The cubic root of 9869998 is about 214.5057911257.

The spelling of 9869998 in words is "nine million, eight hundred sixty-nine thousand, nine hundred ninety-eight".