108398656 has 14 divisors (see below), whose sum is σ = 215103710. Its totient is φ = 54199296.

The previous prime is 108398651. The next prime is 108398663. The reversal of 108398656 is 656893801.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 35808256 = 8520^2 + 5984^2 .

It is not an unprimeable number, because it can be changed into a prime (108398651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846801 + ... + 846928.

Almost surely, 2^108398656 is an apocalyptic number.

108398656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108398656 is a deficient number, since it is larger than the sum of its proper divisors (106705054).

108398656 is an equidigital number, since it uses as much as digits as its factorization.

108398656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693741 (or 1693731 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 108398656 is about 10411.4675238412. The cubic root of 108398656 is about 476.8055469829.

The spelling of 108398656 in words is "one hundred eight million, three hundred ninety-eight thousand, six hundred fifty-six".