108491328 has 84 divisors (see below), whose sum is σ = 339260688. Its totient is φ = 32874240.

The previous prime is 108491321. The next prime is 108491329. The reversal of 108491328 is 823194801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108491292 and 108491301.

It is not an unprimeable number, because it can be changed into a prime (108491321) 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 11 ways as a sum of consecutive naturals, for example, 2226 + ... + 14897.

Almost surely, 2^108491328 is an apocalyptic number.

108491328 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 108491328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169630344).

108491328 is an abundant number, since it is smaller than the sum of its proper divisors (230769360).

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

108491328 is a wasteful number, since it uses less digits than its factorization.

108491328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152 (or 17139 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 108491328 is about 10415.9170503610. The cubic root of 108491328 is about 476.9413848838.

The spelling of 108491328 in words is "one hundred eight million, four hundred ninety-one thousand, three hundred twenty-eight".