108393768 has 128 divisors (see below), whose sum is σ = 364435200. Its totient is φ = 29140992.

The previous prime is 108393749. The next prime is 108393773. The reversal of 108393768 is 867393801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23596 + ... + 27812.

It is an arithmetic number, because the mean of its divisors is an integer number (2847150).

Almost surely, 2^108393768 is an apocalyptic number.

108393768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108393768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182217600).

108393768 is an abundant number, since it is smaller than the sum of its proper divisors (256041432).

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

108393768 is a wasteful number, since it uses less digits than its factorization.

108393768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256 (or 4246 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 108393768 is about 10411.2327800314. The cubic root of 108393768 is about 476.7983800412.

The spelling of 108393768 in words is "one hundred eight million, three hundred ninety-three thousand, seven hundred sixty-eight".