2203808 has 24 divisors (see below), whose sum is σ = 4413780. Its totient is φ = 1082880.

The previous prime is 2203807. The next prime is 2203811. The reversal of 2203808 is 8083022.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 595984 = 1268^2 + 772^2 .

It is not an unprimeable number, because it can be changed into a prime (2203801) 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, 1388 + ... + 2516.

2^2203808 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 2203808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206890).

2203808 is an abundant number, since it is smaller than the sum of its proper divisors (2209972).

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

2203808 is a wasteful number, since it uses less digits than its factorization.

2203808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2203808 is about 1484.5228189556. The cubic root of 2203808 is about 130.1341416161.

The spelling of 2203808 in words is "two million, two hundred three thousand, eight hundred eight".