9726198 has 8 divisors (see below), whose sum is σ = 19452408. Its totient is φ = 3242064.

The previous prime is 9726191. The next prime is 9726221. The reversal of 9726198 is 8916279.

9726198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

9726198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9726191) 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, 810511 + ... + 810522.

It is an arithmetic number, because the mean of its divisors is an integer number (2431551).

Almost surely, 2^9726198 is an apocalyptic number.

9726198 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.

9726198 is a wasteful number, since it uses less digits than its factorization.

9726198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621038.

The product of its digits is 54432, while the sum is 42.

The square root of 9726198 is about 3118.6852999301. The cubic root of 9726198 is about 213.4589499989.

The spelling of 9726198 in words is "nine million, seven hundred twenty-six thousand, one hundred ninety-eight".