2393819 has 2 divisors, whose sum is σ = 2393820. Its totient is φ = 2393818.

The previous prime is 2393773. The next prime is 2393837. The reversal of 2393819 is 9183932.

2393819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2393819 - 2¹⁶ = 2328283 is a prime.

It is a super-2 number, since 2×2393819² = 11460738809522, which contains 22 as substring.

It is a Chen prime.

It is equal to p₁₇₅₈₆₈ and since 2393819 and 175868 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2393849) 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, 1196909 + 1196910.

It is an arithmetic number, because the mean of its divisors is an integer number (1196910).

2^2393819 is an apocalyptic number.

2393819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2393819 is an equidigital number, since it uses as much as digits as its factorization.

2393819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 2393819 is about 1547.1971432238. The cubic root of 2393819 is about 133.7715532855.

The spelling of 2393819 in words is "two million, three hundred ninety-three thousand, eight hundred nineteen".