109328 has 10 divisors (see below), whose sum is σ = 211854. Its totient is φ = 54656.

The previous prime is 109321. The next prime is 109331. The reversal of 109328 is 823901.

109328 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in only one way, i.e., 73984 + 35344 = 272^2 + 188^2 .

It is a super-2 number, since 2×109328² = 23905223168, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (109321) by changing a digit.

109328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401 + ... + 3432.

2¹⁰⁹³²⁸ is an apocalyptic number.

It is an amenable number.

109328 is a deficient number, since it is larger than the sum of its proper divisors (102526).

109328 is an equidigital number, since it uses as much as digits as its factorization.

109328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841 (or 6835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 109328 is about 330.6478489269. The cubic root of 109328 is about 47.8164284724.

The spelling of 109328 in words is "one hundred nine thousand, three hundred twenty-eight".