2788411 has 4 divisors (see below), whose sum is σ = 2791800. Its totient is φ = 2785024.

The previous prime is 2788403. The next prime is 2788417. The reversal of 2788411 is 1148872.

2788411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2788411 - 2³ = 2788403 is a prime.

It is a Duffinian number.

2788411 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2788417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (697950).

2^2788411 is an apocalyptic number.

2788411 is a deficient number, since it is larger than the sum of its proper divisors (3389).

2788411 is a wasteful number, since it uses less digits than its factorization.

2788411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its digits is 3584, while the sum is 31.

The square root of 2788411 is about 1669.8535863961. The cubic root of 2788411 is about 140.7512506370.

The spelling of 2788411 in words is "two million, seven hundred eighty-eight thousand, four hundred eleven".