108972329 has 4 divisors (see below), whose sum is σ = 115382484. Its totient is φ = 102562176.

The previous prime is 108972313. The next prime is 108972349. The reversal of 108972329 is 923279801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923279801 = 983 ⋅939247.

It can be written as a sum of positive squares in 2 ways, for example, as 80371225 + 28601104 = 8965^2 + 5348^2 .

It is a cyclic number.

It is not a de Polignac number, because 108972329 - 2⁴ = 108972313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108972349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205052 + ... + 3205085.

It is an arithmetic number, because the mean of its divisors is an integer number (28845621).

Almost surely, 2^108972329 is an apocalyptic number.

It is an amenable number.

108972329 is a deficient number, since it is larger than the sum of its proper divisors (6410155).

108972329 is an equidigital number, since it uses as much as digits as its factorization.

108972329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410154.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 108972329 is about 10438.9812242383. The cubic root of 108972329 is about 477.6451925457.

The spelling of 108972329 in words is "one hundred eight million, nine hundred seventy-two thousand, three hundred twenty-nine".