2768657 has 2 divisors, whose sum is σ = 2768658. Its totient is φ = 2768656.

The previous prime is 2768651. The next prime is 2768663. The reversal of 2768657 is 7568672.

It is a happy number.

2768657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2768651) and next prime (2768663).

It can be written as a sum of positive squares in only one way, i.e., 2588881 + 179776 = 1609^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2768657 - 2⁸ = 2768401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2768651) 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 as a sum of consecutive naturals, namely, 1384328 + 1384329.

It is an arithmetic number, because the mean of its divisors is an integer number (1384329).

2^2768657 is an apocalyptic number.

It is an amenable number.

2768657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768657 is an equidigital number, since it uses as much as digits as its factorization.

2768657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 2768657 is about 1663.9281835464. The cubic root of 2768657 is about 140.4180869440.

The spelling of 2768657 in words is "two million, seven hundred sixty-eight thousand, six hundred fifty-seven".