308198 has 8 divisors (see below), whose sum is σ = 504360. Its totient is φ = 140080.

The previous prime is 308153. The next prime is 308213. The reversal of 308198 is 891803.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 308198.

It is a congruent number.

It is an unprimeable number.

308198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 6983 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (63045).

2³⁰⁸¹⁹⁸ is an apocalyptic number.

308198 is a deficient number, since it is larger than the sum of its proper divisors (196162).

308198 is a wasteful number, since it uses less digits than its factorization.

308198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 308198 is about 555.1558339782. The cubic root of 308198 is about 67.5476024529.

It can be divided in two parts, 30 and 8198, that added together give a palindrome (8228).

The spelling of 308198 in words is "three hundred eight thousand, one hundred ninety-eight".