1808768 has 32 divisors (see below), whose sum is σ = 3884160. Its totient is φ = 834048.

The previous prime is 1808767. The next prime is 1808773. The reversal of 1808768 is 8678081.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808761) 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, 1121 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (121380).

2^1808768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1808768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942080).

1808768 is an abundant number, since it is smaller than the sum of its proper divisors (2075392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1808768 is a wasteful number, since it uses less digits than its factorization.

1808768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1808768 is about 1344.9044575731. The cubic root of 1808768 is about 121.8412339507.

The spelling of 1808768 in words is "one million, eight hundred eight thousand, seven hundred sixty-eight".