108387806 has 4 divisors (see below), whose sum is σ = 162581712. Its totient is φ = 54193902.

The previous prime is 108387803. The next prime is 108387833. The reversal of 108387806 is 608783801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608783801 = 24407 ⋅24943.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108387803) 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 as a sum of consecutive naturals, namely, 27096950 + ... + 27096953.

It is an arithmetic number, because the mean of its divisors is an integer number (40645428).

Almost surely, 2^108387806 is an apocalyptic number.

108387806 is a deficient number, since it is larger than the sum of its proper divisors (54193906).

108387806 is an equidigital number, since it uses as much as digits as its factorization.

108387806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54193905.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 108387806 is about 10410.9464507316. The cubic root of 108387806 is about 476.7896380747.

The spelling of 108387806 in words is "one hundred eight million, three hundred eighty-seven thousand, eight hundred six".