2816819 has 2 divisors, whose sum is σ = 2816820. Its totient is φ = 2816818.

The previous prime is 2816809. The next prime is 2816831. The reversal of 2816819 is 9186182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2816819 - 2⁸ = 2816563 is a prime.

It is a super-2 number, since 2×2816819² = 15868938557522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2816809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408409 + 1408410.

It is an arithmetic number, because the mean of its divisors is an integer number (1408410).

2^2816819 is an apocalyptic number.

2816819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816819 is an equidigital number, since it uses as much as digits as its factorization.

2816819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 2816819 is about 1678.3381661632. The cubic root of 2816819 is about 141.2276222153.

The spelling of 2816819 in words is "two million, eight hundred sixteen thousand, eight hundred nineteen".