108688544 has 12 divisors (see below), whose sum is σ = 213980634. Its totient is φ = 54344256.

The previous prime is 108688543. The next prime is 108688553. The reversal of 108688544 is 445886801.

It can be written as a sum of positive squares in only one way, i.e., 106090000 + 2598544 = 10300^2 + 1612^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 108688495 and 108688504.

It is not an unprimeable number, because it can be changed into a prime (108688543) 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 as a sum of consecutive naturals, namely, 1698227 + ... + 1698290.

Almost surely, 2^108688544 is an apocalyptic number.

It is an amenable number.

108688544 is a deficient number, since it is larger than the sum of its proper divisors (105292090).

108688544 is an equidigital number, since it uses as much as digits as its factorization.

108688544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396527 (or 3396519 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 108688544 is about 10425.3798012351. The cubic root of 108688544 is about 477.2302053111.

The spelling of 108688544 in words is "one hundred eight million, six hundred eighty-eight thousand, five hundred forty-four".