340704019 has 2 divisors, whose sum is σ = 340704020. Its totient is φ = 340704018.

The previous prime is 340703963. The next prime is 340704031. The reversal of 340704019 is 910407043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340704019 - 2¹⁹ = 340179731 is a prime.

It is a super-2 number, since 2×340704019² = 232158457125504722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340704919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170352009 + 170352010.

It is an arithmetic number, because the mean of its divisors is an integer number (170352010).

Almost surely, 2^340704019 is an apocalyptic number.

340704019 is a deficient number, since it is larger than the sum of its proper divisors (1).

340704019 is an equidigital number, since it uses as much as digits as its factorization.

340704019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 340704019 is about 18458.1694379481. The cubic root of 340704019 is about 698.4346101364.

Adding to 340704019 its product of nonzero digits (3024), we get a palindrome (340707043).

The spelling of 340704019 in words is "three hundred forty million, seven hundred four thousand, nineteen".