2043808 has 48 divisors (see below), whose sum is σ = 4604040. Its totient is φ = 887808.

The previous prime is 2043793. The next prime is 2043817. The reversal of 2043808 is 8083402.

It can be written as a sum of positive squares in 4 ways, for example, as 1507984 + 535824 = 1228^2 + 732^2 .

It is a super-2 number, since 2×2043808² = 8354302281728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120216 + ... + 120232.

2^2043808 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 2043808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2302020).

2043808 is an abundant number, since it is smaller than the sum of its proper divisors (2560232).

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

2043808 is an equidigital number, since it uses as much as digits as its factorization.

2043808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 32 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2043808 is about 1429.6181308307. The cubic root of 2043808 is about 126.9053793318.

The spelling of 2043808 in words is "two million, forty-three thousand, eight hundred eight".