9678198 has 8 divisors (see below), whose sum is σ = 19356408. Its totient is φ = 3226064.

The previous prime is 9678197. The next prime is 9678203. The reversal of 9678198 is 8918769.

It is a happy number.

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

9678198 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678191) 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, 806511 + ... + 806522.

It is an arithmetic number, because the mean of its divisors is an integer number (2419551).

Almost surely, 2^9678198 is an apocalyptic number.

9678198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9678198 is a wasteful number, since it uses less digits than its factorization.

9678198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613038.

The product of its digits is 217728, while the sum is 48.

The square root of 9678198 is about 3110.9802313740. The cubic root of 9678198 is about 213.1072219098.

The spelling of 9678198 in words is "nine million, six hundred seventy-eight thousand, one hundred ninety-eight".