340066443 has 4 divisors (see below), whose sum is σ = 453421928. Its totient is φ = 226710960.

The previous prime is 340066439. The next prime is 340066451. The reversal of 340066443 is 344660043.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 340066443 - 2² = 340066439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340066443.

It is not an unprimeable number, because it can be changed into a prime (340066483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56677738 + ... + 56677743.

It is an arithmetic number, because the mean of its divisors is an integer number (113355482).

Almost surely, 2^340066443 is an apocalyptic number.

340066443 is a deficient number, since it is larger than the sum of its proper divisors (113355485).

340066443 is a wasteful number, since it uses less digits than its factorization.

340066443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113355484.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 340066443 is about 18440.8905153737. The cubic root of 340066443 is about 697.9986665382.

The spelling of 340066443 in words is "three hundred forty million, sixty-six thousand, four hundred forty-three".