340353499 has 2 divisors, whose sum is σ = 340353500. Its totient is φ = 340353498.

The previous prime is 340353473. The next prime is 340353529. The reversal of 340353499 is 994353043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340353499 is a prime.

It is not a weakly prime, because it can be changed into another prime (340353449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170176749 + 170176750.

It is an arithmetic number, because the mean of its divisors is an integer number (170176750).

Almost surely, 2^340353499 is an apocalyptic number.

340353499 is a deficient number, since it is larger than the sum of its proper divisors (1).

340353499 is an equidigital number, since it uses as much as digits as its factorization.

340353499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 340353499 is about 18448.6720118278. The cubic root of 340353499 is about 698.1950089086.

The spelling of 340353499 in words is "three hundred forty million, three hundred fifty-three thousand, four hundred ninety-nine".