1108816 has 20 divisors (see below), whose sum is σ = 2207572. Its totient is φ = 539136.

The previous prime is 1108801. The next prime is 1108817. The reversal of 1108816 is 6188011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 646416 = 680^2 + 804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 1528.

2^1108816 is an apocalyptic number.

1108816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1108816 is a deficient number, since it is larger than the sum of its proper divisors (1098756).

1108816 is a wasteful number, since it uses less digits than its factorization.

1108816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 1108816 is about 1053.0033238314. The cubic root of 1108816 is about 103.5030532678.

The spelling of 1108816 in words is "one million, one hundred eight thousand, eight hundred sixteen".