9198993 has 8 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 6109328.

The previous prime is 9198961. The next prime is 9199007. The reversal of 9198993 is 3998919.

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

It is a cyclic number.

It is not a de Polignac number, because 9198993 - 2⁵ = 9198961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9198913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4893 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^9198993 is an apocalyptic number.

It is an amenable number.

9198993 is a deficient number, since it is larger than the sum of its proper divisors (3113007).

9198993 is a wasteful number, since it uses less digits than its factorization.

9198993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671.

The product of its digits is 157464, while the sum is 48.

The square root of 9198993 is about 3032.9841740438. The cubic root of 9198993 is about 209.5302652584.

The spelling of 9198993 in words is "nine million, one hundred ninety-eight thousand, nine hundred ninety-three".