340007893 has 2 divisors, whose sum is σ = 340007894. Its totient is φ = 340007892.

The previous prime is 340007887. The next prime is 340007897. The reversal of 340007893 is 398700043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265755204 + 74252689 = 16302^2 + 8617^2 .

It is a cyclic number.

It is not a de Polignac number, because 340007893 - 2¹⁷ = 339876821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340007897) 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, 170003946 + 170003947.

It is an arithmetic number, because the mean of its divisors is an integer number (170003947).

Almost surely, 2^340007893 is an apocalyptic number.

It is an amenable number.

340007893 is a deficient number, since it is larger than the sum of its proper divisors (1).

340007893 is an equidigital number, since it uses as much as digits as its factorization.

340007893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 340007893 is about 18439.3029423566. The cubic root of 340007893 is about 697.9586055752.

The spelling of 340007893 in words is "three hundred forty million, seven thousand, eight hundred ninety-three".