988198 has 8 divisors (see below), whose sum is σ = 1500408. Its totient is φ = 488064.

The previous prime is 988157. The next prime is 988199. The reversal of 988198 is 891889.

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 (988199) 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, 2811 + ... + 3142.

It is an arithmetic number, because the mean of its divisors is an integer number (187551).

2⁹⁸⁸¹⁹⁸ is an apocalyptic number.

988198 is a deficient number, since it is larger than the sum of its proper divisors (512210).

988198 is a wasteful number, since it uses less digits than its factorization.

988198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038.

The product of its digits is 41472, while the sum is 43.

The square root of 988198 is about 994.0814855936. The cubic root of 988198 is about 99.6050421365.

The spelling of 988198 in words is "nine hundred eighty-eight thousand, one hundred ninety-eight".