2784049 has 2 divisors, whose sum is σ = 2784050. Its totient is φ = 2784048.

The previous prime is 2784043. The next prime is 2784053. The reversal of 2784049 is 9404872.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 753424 = 1425^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2784049 - 2⁹ = 2783537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2784043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392024 + 1392025.

It is an arithmetic number, because the mean of its divisors is an integer number (1392025).

2^2784049 is an apocalyptic number.

It is an amenable number.

2784049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784049 is an equidigital number, since it uses as much as digits as its factorization.

2784049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2784049 is about 1668.5469726681. The cubic root of 2784049 is about 140.6778184471.

It can be divided in two parts, 27840 and 49, that added together give a square (27889 = 167²).

The spelling of 2784049 in words is "two million, seven hundred eighty-four thousand, forty-nine".