108398 has 8 divisors (see below), whose sum is σ = 164808. Its totient is φ = 53464.

The previous prime is 108379. The next prime is 108401. The reversal of 108398 is 893801.

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 108398.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 108398.

It is an unprimeable 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, 161 + ... + 492.

It is an arithmetic number, because the mean of its divisors is an integer number (20601).

2¹⁰⁸³⁹⁸ is an apocalyptic number.

108398 is a deficient number, since it is larger than the sum of its proper divisors (56410).

108398 is an equidigital number, since it uses as much as digits as its factorization.

108398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

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

The square root of 108398 is about 329.2385153654. The cubic root of 108398 is about 47.6804585147.

The spelling of 108398 in words is "one hundred eight thousand, three hundred ninety-eight".