340938863 has 2 divisors, whose sum is σ = 340938864. Its totient is φ = 340938862.

The previous prime is 340938853. The next prime is 340938883. The reversal of 340938863 is 368839043.

It is a weak prime.

It is an emirp because it is prime and its reverse (368839043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340938863 - 2¹² = 340934767 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340938803) 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, 170469431 + 170469432.

It is an arithmetic number, because the mean of its divisors is an integer number (170469432).

Almost surely, 2^340938863 is an apocalyptic number.

340938863 is a deficient number, since it is larger than the sum of its proper divisors (1).

340938863 is an equidigital number, since it uses as much as digits as its factorization.

340938863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 340938863 is about 18464.5298613314. The cubic root of 340938863 is about 698.5950480300.

The spelling of 340938863 in words is "three hundred forty million, nine hundred thirty-eight thousand, eight hundred sixty-three".