340307419 has 2 divisors, whose sum is σ = 340307420. Its totient is φ = 340307418.

The previous prime is 340307417. The next prime is 340307449. The reversal of 340307419 is 914703043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340307419 - 2¹ = 340307417 is a prime.

It is a super-2 number, since 2×340307419² = 231618278852883122, which contains 22 as substring.

Together with 340307417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340307413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170153709 + 170153710.

It is an arithmetic number, because the mean of its divisors is an integer number (170153710).

Almost surely, 2^340307419 is an apocalyptic number.

340307419 is a deficient number, since it is larger than the sum of its proper divisors (1).

340307419 is an equidigital number, since it uses as much as digits as its factorization.

340307419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 340307419 is about 18447.4230991757. The cubic root of 340307419 is about 698.1634982605.

The spelling of 340307419 in words is "three hundred forty million, three hundred seven thousand, four hundred nineteen".