108863986 has 24 divisors (see below), whose sum is σ = 207227376. Its totient is φ = 42414120.

The previous prime is 108863983. The next prime is 108864001. The reversal of 108863986 is 689368801.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (108863981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49416 + ... + 51571.

It is an arithmetic number, because the mean of its divisors is an integer number (8634474).

Almost surely, 2^108863986 is an apocalyptic number.

108863986 is a deficient number, since it is larger than the sum of its proper divisors (98363390).

108863986 is a wasteful number, since it uses less digits than its factorization.

108863986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101014 (or 101007 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 108863986 is about 10433.7905863593. The cubic root of 108863986 is about 477.4868444792.

The spelling of 108863986 in words is "one hundred eight million, eight hundred sixty-three thousand, nine hundred eighty-six".