108398686 has 32 divisors (see below), whose sum is σ = 187920000. Its totient is φ = 46378080.

The previous prime is 108398671. The next prime is 108398699. The reversal of 108398686 is 686893801.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71565 + ... + 73063.

It is an arithmetic number, because the mean of its divisors is an integer number (5872500).

Almost surely, 2^108398686 is an apocalyptic number.

108398686 is a deficient number, since it is larger than the sum of its proper divisors (79521314).

108398686 is a wasteful number, since it uses less digits than its factorization.

108398686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 108398686 is about 10411.4689645602. The cubic root of 108398686 is about 476.8055909692.

The spelling of 108398686 in words is "one hundred eight million, three hundred ninety-eight thousand, six hundred eighty-six".