108839693 has 4 divisors (see below), whose sum is σ = 108874080. Its totient is φ = 108805308.

The previous prime is 108839683. The next prime is 108839699. The reversal of 108839693 is 396938801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 396938801 = 7 ⋅56705543.

It is a cyclic number.

It is not a de Polignac number, because 108839693 - 2⁶ = 108839629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108839699) 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, 11903 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (27218520).

Almost surely, 2^108839693 is an apocalyptic number.

It is an amenable number.

108839693 is a deficient number, since it is larger than the sum of its proper divisors (34387).

108839693 is an equidigital number, since it uses as much as digits as its factorization.

108839693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34386.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 108839693 is about 10432.6263711493. The cubic root of 108839693 is about 477.4513247716.

The spelling of 108839693 in words is "one hundred eight million, eight hundred thirty-nine thousand, six hundred ninety-three".