340004219 has 2 divisors, whose sum is σ = 340004220. Its totient is φ = 340004218.

The previous prime is 340004209. The next prime is 340004261. The reversal of 340004219 is 912400043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340004219 is a prime.

It is a super-2 number, since 2×340004219² = 231205737875599922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340004194 and 340004203.

It is not a weakly prime, because it can be changed into another prime (340004209) 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, 170002109 + 170002110.

It is an arithmetic number, because the mean of its divisors is an integer number (170002110).

Almost surely, 2^340004219 is an apocalyptic number.

340004219 is a deficient number, since it is larger than the sum of its proper divisors (1).

340004219 is an equidigital number, since it uses as much as digits as its factorization.

340004219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 340004219 is about 18439.2033179311. The cubic root of 340004219 is about 697.9560916050.

The spelling of 340004219 in words is "three hundred forty million, four thousand, two hundred nineteen".