340338919 has 2 divisors, whose sum is σ = 340338920. Its totient is φ = 340338918.

The previous prime is 340338907. The next prime is 340338941. The reversal of 340338919 is 919833043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340338919 - 2⁹ = 340338407 is a prime.

It is a super-2 number, since 2×340338919² = 231661159572177122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340338959) 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, 170169459 + 170169460.

It is an arithmetic number, because the mean of its divisors is an integer number (170169460).

Almost surely, 2^340338919 is an apocalyptic number.

340338919 is a deficient number, since it is larger than the sum of its proper divisors (1).

340338919 is an equidigital number, since it uses as much as digits as its factorization.

340338919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 340338919 is about 18448.2768572027. The cubic root of 340338919 is about 698.1850390502.

The spelling of 340338919 in words is "three hundred forty million, three hundred thirty-eight thousand, nine hundred nineteen".