108398418 has 8 divisors (see below), whose sum is σ = 216796848. Its totient is φ = 36132804.

The previous prime is 108398417. The next prime is 108398449. The reversal of 108398418 is 814893801.

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

108398418 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 108398418.

It is not an unprimeable number, because it can be changed into a prime (108398417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9033196 + ... + 9033207.

It is an arithmetic number, because the mean of its divisors is an integer number (27099606).

Almost surely, 2^108398418 is an apocalyptic number.

108398418 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.

108398418 is a wasteful number, since it uses less digits than its factorization.

108398418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066408.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 108398418 is about 10411.4560941302. The cubic root of 108398418 is about 476.8051980247.

The spelling of 108398418 in words is "one hundred eight million, three hundred ninety-eight thousand, four hundred eighteen".