2784224 has 24 divisors (see below), whose sum is σ = 5524848. Its totient is φ = 1381120.

The previous prime is 2784217. The next prime is 2784227. The reversal of 2784224 is 4224872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784227) 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, 5084 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (230202).

2^2784224 is an apocalyptic number.

It is an amenable number.

2784224 is a deficient number, since it is larger than the sum of its proper divisors (2740624).

2784224 is a wasteful number, since it uses less digits than its factorization.

2784224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 690 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2784224 is about 1668.5994126812. The cubic root of 2784224 is about 140.6807659649.

The spelling of 2784224 in words is "two million, seven hundred eighty-four thousand, two hundred twenty-four".