2768819 has 2 divisors, whose sum is σ = 2768820. Its totient is φ = 2768818.

The previous prime is 2768803. The next prime is 2768863. The reversal of 2768819 is 9188672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2768819 - 2⁴ = 2768803 is a prime.

It is a super-2 number, since 2×2768819² = 15332717309522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2768419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384409 + 1384410.

It is an arithmetic number, because the mean of its divisors is an integer number (1384410).

2^2768819 is an apocalyptic number.

2768819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768819 is an equidigital number, since it uses as much as digits as its factorization.

2768819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 2768819 is about 1663.9768628199. The cubic root of 2768819 is about 140.4208256108.

The spelling of 2768819 in words is "two million, seven hundred sixty-eight thousand, eight hundred nineteen".