340680841 has 4 divisors (see below), whose sum is σ = 341375184. Its totient is φ = 339986500.

The previous prime is 340680817. The next prime is 340680859. The reversal of 340680841 is 148086043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148086043 = 7 ⋅21155149.

It is a cyclic number.

It is not a de Polignac number, because 340680841 - 2⁷ = 340680713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340680797 and 340680806.

It is not an unprimeable number, because it can be changed into a prime (340680541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346435 + ... + 347416.

It is an arithmetic number, because the mean of its divisors is an integer number (85343796).

Almost surely, 2^340680841 is an apocalyptic number.

It is an amenable number.

340680841 is a deficient number, since it is larger than the sum of its proper divisors (694343).

340680841 is an equidigital number, since it uses as much as digits as its factorization.

340680841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694342.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 340680841 is about 18457.5415751936. The cubic root of 340680841 is about 698.4187716729.

The spelling of 340680841 in words is "three hundred forty million, six hundred eighty thousand, eight hundred forty-one".