2743808 has 40 divisors (see below), whose sum is σ = 5745168. Its totient is φ = 1306624.

The previous prime is 2743789. The next prime is 2743823. The reversal of 2743808 is 8083472.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11660 + ... + 11892.

2^2743808 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 2743808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872584).

2743808 is an abundant number, since it is smaller than the sum of its proper divisors (3001360).

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

2743808 is an equidigital number, since it uses as much as digits as its factorization.

2743808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2743808 is about 1656.4443848195. Note that the first 3 decimals coincide. The cubic root of 2743808 is about 139.9967346177.

The spelling of 2743808 in words is "two million, seven hundred forty-three thousand, eight hundred eight".