340391411 has 2 divisors, whose sum is σ = 340391412. Its totient is φ = 340391410.

The previous prime is 340391393. The next prime is 340391449. The reversal of 340391411 is 114193043.

It is a weak prime.

It is an emirp because it is prime and its reverse (114193043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340391411 - 2⁶ = 340391347 is a prime.

It is not a weakly prime, because it can be changed into another prime (340391461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170195705 + 170195706.

It is an arithmetic number, because the mean of its divisors is an integer number (170195706).

Almost surely, 2^340391411 is an apocalyptic number.

340391411 is a deficient number, since it is larger than the sum of its proper divisors (1).

340391411 is an equidigital number, since it uses as much as digits as its factorization.

340391411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 340391411 is about 18449.6994826474. The cubic root of 340391411 is about 698.2209319430.

The spelling of 340391411 in words is "three hundred forty million, three hundred ninety-one thousand, four hundred eleven".