340333493 has 2 divisors, whose sum is σ = 340333494. Its totient is φ = 340333492.

The previous prime is 340333429. The next prime is 340333517. The reversal of 340333493 is 394333043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251634769 + 88698724 = 15863^2 + 9418^2 .

It is a cyclic number.

It is not a de Polignac number, because 340333493 - 2⁶ = 340333429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340333403) 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, 170166746 + 170166747.

It is an arithmetic number, because the mean of its divisors is an integer number (170166747).

Almost surely, 2^340333493 is an apocalyptic number.

It is an amenable number.

340333493 is a deficient number, since it is larger than the sum of its proper divisors (1).

340333493 is an equidigital number, since it uses as much as digits as its factorization.

340333493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 32.

The square root of 340333493 is about 18448.1297968114. The cubic root of 340333493 is about 698.1813286585.

The spelling of 340333493 in words is "three hundred forty million, three hundred thirty-three thousand, four hundred ninety-three".