108919347 has 4 divisors (see below), whose sum is σ = 145225800. Its totient is φ = 72612896.

The previous prime is 108919339. The next prime is 108919373. The reversal of 108919347 is 743919801.

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 108919347 - 2³ = 108919339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108919299 and 108919308.

It is not an unprimeable number, because it can be changed into a prime (108919397) 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, 18153222 + ... + 18153227.

It is an arithmetic number, because the mean of its divisors is an integer number (36306450).

Almost surely, 2^108919347 is an apocalyptic number.

108919347 is a deficient number, since it is larger than the sum of its proper divisors (36306453).

108919347 is an equidigital number, since it uses as much as digits as its factorization.

108919347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36306452.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 108919347 is about 10436.4432159620. The cubic root of 108919347 is about 477.5677701386.

The spelling of 108919347 in words is "one hundred eight million, nine hundred nineteen thousand, three hundred forty-seven".