108928393 has 4 divisors (see below), whose sum is σ = 124489600. Its totient is φ = 93367188.

The previous prime is 108928361. The next prime is 108928397. The reversal of 108928393 is 393829801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108928393 - 2⁵ = 108928361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108928397) 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, 7780593 + ... + 7780606.

It is an arithmetic number, because the mean of its divisors is an integer number (31122400).

Almost surely, 2^108928393 is an apocalyptic number.

It is an amenable number.

108928393 is a deficient number, since it is larger than the sum of its proper divisors (15561207).

108928393 is an equidigital number, since it uses as much as digits as its factorization.

108928393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561206.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 108928393 is about 10436.8765921611. The cubic root of 108928393 is about 477.5809908032.

The spelling of 108928393 in words is "one hundred eight million, nine hundred twenty-eight thousand, three hundred ninety-three".