2784897 has 6 divisors (see below), whose sum is σ = 4022642. Its totient is φ = 1856592.

The previous prime is 2784883. The next prime is 2784911. The reversal of 2784897 is 7984872.

2784897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2784883) and next prime (2784911).

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 641601 = 1464^2 + 801^2 .

It is not a de Polignac number, because 2784897 - 2¹⁰ = 2783873 is a prime.

It is a Duffinian number.

2784897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2784827) 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 5 ways as a sum of consecutive naturals, for example, 154708 + ... + 154725.

2^2784897 is an apocalyptic number.

It is an amenable number.

2784897 is a deficient number, since it is larger than the sum of its proper divisors (1237745).

2784897 is a wasteful number, since it uses less digits than its factorization.

2784897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309439 (or 309436 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2784897 is about 1668.8010666344. The cubic root of 2784897 is about 140.6921001258.

The spelling of 2784897 in words is "two million, seven hundred eighty-four thousand, eight hundred ninety-seven".