108091386 has 36 divisors (see below), whose sum is σ = 253606158. Its totient is φ = 33257952.

The previous prime is 108091367. The next prime is 108091397. The reversal of 108091386 is 683190801.

It can be written as a sum of positive squares in 3 ways, for example, as 25190361 + 82901025 = 5019^2 + 9105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108091386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14725 + ... + 20808.

Almost surely, 2^108091386 is an apocalyptic number.

108091386 is an abundant number, since it is smaller than the sum of its proper divisors (145514772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108091386 is a wasteful number, since it uses less digits than its factorization.

108091386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35567 (or 35551 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 108091386 is about 10396.7007266729. The cubic root of 108091386 is about 476.3545983081.

The spelling of 108091386 in words is "one hundred eight million, ninety-one thousand, three hundred eighty-six".