3812819 has 2 divisors, whose sum is σ = 3812820. Its totient is φ = 3812818.

The previous prime is 3812807. The next prime is 3812839. The reversal of 3812819 is 9182183.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3812819 is a prime.

It is a super-2 number, since 2×3812819² = 29075177453522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3812839) 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, 1906409 + 1906410.

It is an arithmetic number, because the mean of its divisors is an integer number (1906410).

Almost surely, 2^3812819 is an apocalyptic number.

3812819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3812819 is an equidigital number, since it uses as much as digits as its factorization.

3812819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 3812819 is about 1952.6441047974. The cubic root of 3812819 is about 156.2243512033.

The spelling of 3812819 in words is "three million, eight hundred twelve thousand, eight hundred nineteen".