340443833 has 2 divisors, whose sum is σ = 340443834. Its totient is φ = 340443832.

The previous prime is 340443811. The next prime is 340443937. The reversal of 340443833 is 338344043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311628409 + 28815424 = 17653^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 340443833 - 2²⁰ = 339395257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340443833.

It is not a weakly prime, because it can be changed into another prime (340440833) 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, 170221916 + 170221917.

It is an arithmetic number, because the mean of its divisors is an integer number (170221917).

Almost surely, 2^340443833 is an apocalyptic number.

It is an amenable number.

340443833 is a deficient number, since it is larger than the sum of its proper divisors (1).

340443833 is an equidigital number, since it uses as much as digits as its factorization.

340443833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 340443833 is about 18451.1201015006. The cubic root of 340443833 is about 698.2567732889.

Adding to 340443833 its reverse (338344043), we get a palindrome (678787876).

The spelling of 340443833 in words is "three hundred forty million, four hundred forty-three thousand, eight hundred thirty-three".