108993814 has 4 divisors (see below), whose sum is σ = 163490724. Its totient is φ = 54496906.

The previous prime is 108993751. The next prime is 108993839. The reversal of 108993814 is 418399801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418399801 = 17 ⋅24611753.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27248452 + ... + 27248455.

It is an arithmetic number, because the mean of its divisors is an integer number (40872681).

Almost surely, 2^108993814 is an apocalyptic number.

108993814 is a deficient number, since it is larger than the sum of its proper divisors (54496910).

108993814 is an equidigital number, since it uses as much as digits as its factorization.

108993814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54496909.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 108993814 is about 10440.0102490371. The cubic root of 108993814 is about 477.6765813477.

The spelling of 108993814 in words is "one hundred eight million, nine hundred ninety-three thousand, eight hundred fourteen".