108385919 has 4 divisors (see below), whose sum is σ = 111029520. Its totient is φ = 105742320.

The previous prime is 108385909. The next prime is 108385939. The reversal of 108385919 is 919583801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108385919 - 2²⁴ = 91608703 is a prime.

It is a super-2 number, since 2×108385919² = 23495014874949122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108385919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108385909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321739 + ... + 1321820.

It is an arithmetic number, because the mean of its divisors is an integer number (27757380).

Almost surely, 2^108385919 is an apocalyptic number.

108385919 is a deficient number, since it is larger than the sum of its proper divisors (2643601).

108385919 is an equidigital number, since it uses as much as digits as its factorization.

108385919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643600.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 108385919 is about 10410.8558245708. The cubic root of 108385919 is about 476.7868711359.

The spelling of 108385919 in words is "one hundred eight million, three hundred eighty-five thousand, nine hundred nineteen".