345198 has 16 divisors (see below), whose sum is σ = 789120. Its totient is φ = 98616.

The previous prime is 345193. The next prime is 345221. The reversal of 345198 is 891543.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345193) by changing a digit.

345198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (49320).

2³⁴⁵¹⁹⁸ is an apocalyptic number.

345198 is an abundant number, since it is smaller than the sum of its proper divisors (443922).

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

345198 is a wasteful number, since it uses less digits than its factorization.

345198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its digits is 4320, while the sum is 30.

The square root of 345198 is about 587.5355308405. The cubic root of 345198 is about 70.1492055508.

The spelling of 345198 in words is "three hundred forty-five thousand, one hundred ninety-eight".