2879819 has 2 divisors, whose sum is σ = 2879820. Its totient is φ = 2879818.

The previous prime is 2879803. The next prime is 2879837. The reversal of 2879819 is 9189782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2879819 - 2⁴ = 2879803 is a prime.

It is a super-2 number, since 2×2879819² = 16586714945522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2879819.

It is not a weakly prime, because it can be changed into another prime (2879879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439909 + 1439910.

It is an arithmetic number, because the mean of its divisors is an integer number (1439910).

2^2879819 is an apocalyptic number.

2879819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879819 is an equidigital number, since it uses as much as digits as its factorization.

2879819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 2879819 is about 1697.0029463734. The cubic root of 2879819 is about 142.2727515723.

The spelling of 2879819 in words is "two million, eight hundred seventy-nine thousand, eight hundred nineteen".