108289393 has 4 divisors (see below), whose sum is σ = 112023540. Its totient is φ = 104555248.

The previous prime is 108289381. The next prime is 108289397. The reversal of 108289393 is 393982801.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31674384 + 76615009 = 5628^2 + 8753^2 .

It is a cyclic number.

It is not a de Polignac number, because 108289393 - 2¹⁷ = 108158321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108289397) 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, 1867030 + ... + 1867087.

It is an arithmetic number, because the mean of its divisors is an integer number (28005885).

Almost surely, 2^108289393 is an apocalyptic number.

It is an amenable number.

108289393 is a deficient number, since it is larger than the sum of its proper divisors (3734147).

108289393 is an equidigital number, since it uses as much as digits as its factorization.

108289393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734146.

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

The square root of 108289393 is about 10406.2189579117. The cubic root of 108289393 is about 476.6452906340.

The spelling of 108289393 in words is "one hundred eight million, two hundred eighty-nine thousand, three hundred ninety-three".