340444693 has 2 divisors, whose sum is σ = 340444694. Its totient is φ = 340444692.

The previous prime is 340444681. The next prime is 340444711. The reversal of 340444693 is 396444043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201157489 + 139287204 = 14183^2 + 11802^2 .

It is a cyclic number.

It is not a de Polignac number, because 340444693 - 2¹⁷ = 340313621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340444633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170222346 + 170222347.

It is an arithmetic number, because the mean of its divisors is an integer number (170222347).

Almost surely, 2^340444693 is an apocalyptic number.

It is an amenable number.

340444693 is a deficient number, since it is larger than the sum of its proper divisors (1).

340444693 is an equidigital number, since it uses as much as digits as its factorization.

340444693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 340444693 is about 18451.1434063041. The cubic root of 340444693 is about 698.2573612472.

The spelling of 340444693 in words is "three hundred forty million, four hundred forty-four thousand, six hundred ninety-three".