108863638 has 16 divisors (see below), whose sum is σ = 177246720. Its totient is φ = 49847616.

The previous prime is 108863633. The next prime is 108863653. The reversal of 108863638 is 836368801.

It is a junction number, because it is equal to n+sod(n) for n = 108863594 and 108863603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108863633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13183 + ... + 19786.

It is an arithmetic number, because the mean of its divisors is an integer number (11077920).

Almost surely, 2^108863638 is an apocalyptic number.

108863638 is a deficient number, since it is larger than the sum of its proper divisors (68383082).

108863638 is a wasteful number, since it uses less digits than its factorization.

108863638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33111.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 108863638 is about 10433.7739097606. The cubic root of 108863638 is about 477.4863356926.

The spelling of 108863638 in words is "one hundred eight million, eight hundred sixty-three thousand, six hundred thirty-eight".