340361999 has 2 divisors, whose sum is σ = 340362000. Its totient is φ = 340361998.

The previous prime is 340361977. The next prime is 340362007. The reversal of 340361999 is 999163043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340361999 - 2¹² = 340357903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340361299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170180999 + 170181000.

It is an arithmetic number, because the mean of its divisors is an integer number (170181000).

Almost surely, 2^340361999 is an apocalyptic number.

340361999 is a deficient number, since it is larger than the sum of its proper divisors (1).

340361999 is an equidigital number, since it uses as much as digits as its factorization.

340361999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 340361999 is about 18448.9023792745. The cubic root of 340361999 is about 698.2008211090.

The spelling of 340361999 in words is "three hundred forty million, three hundred sixty-one thousand, nine hundred ninety-nine".