108219906 has 48 divisors (see below), whose sum is σ = 242779680. Its totient is φ = 34816320.

The previous prime is 108219847. The next prime is 108219919. The reversal of 108219906 is 609912801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68101 + ... + 69671.

It is an arithmetic number, because the mean of its divisors is an integer number (5057910).

Almost surely, 2^108219906 is an apocalyptic number.

108219906 is an abundant number, since it is smaller than the sum of its proper divisors (134559774).

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

108219906 is a wasteful number, since it uses less digits than its factorization.

108219906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 108219906 is about 10402.8796974684. The cubic root of 108219906 is about 476.5433177717.

The spelling of 108219906 in words is "one hundred eight million, two hundred nineteen thousand, nine hundred six".